Agate
This page kindly sponsored by Thomas Farley
About Agate
Colour:
colorless, gray, red, white, any color due to embedded minerals, multicolored specimen not uncommon
Lustre:
Waxy, Dull
Hardness:
6½ - 7
Specific Gravity:
2.6
Name:
The name is derived from its occurrence at the Achates River in southwestern Sicily.
A variety of Chalcedony
A distinctly banded fibrous chalcedony. Originally reported from Dirillo river (Achates river), Acate, Ragusa Province, Sicily, Italy.
The banding in agate is based on periodic changes in the translucency of the agate substance. Layers appear darker when they are more translucent (this may appear reversed in transmitted light). This effect may be accompanied and amplified by changes in the color of neighboring layers, due to other co-precipitated minerals. In old agates that have been subject to weathering and chemical alteration the differences in translucency may disappear, such specimens may turn almost opaque.
Agate is made of fibrous length-fast chalcedony, sometimes with layers of quartzine (length-slow chalcedony) fibers (Michel-Lévy and Munier-Chalmas 1892; Correns and Nagelschmidt, 1933; Bernauer 1927; Braitsch 1957; Frondel, 1978; Flörke et al. 1991; Graetsch 1994). In thin slices of agate, the fibers are sometimes visible in transmitted light and may cause interesting optical effects (see Iris Agate). Because the individual crystallites in the fibers are not tightly interlocked, agate is slightly porous (e.g., Monroe, 1964), and can be dyed easily.
Two characteristic types of banding can be distinguished in agates (e.g. Graetsch 1994):
1. Wall-lining Banding. The individual bands run perpendicular to the orientation and growth direction of the chalcedony fibers. Since the chalcedony fibers grow from the walls to the interior of a cavity, a concentric, onion-like pattern develops. The changes in translucency reflect periodic changes of crystallite sizes and repetitive nucleation of new fibers at the growth front (Taijing and Sunagawa 1994; Cady et al 1998), as well as chemical composition (Frondel 1978; Heaney and Davis 1995). In addition to the visible bands, there are compositional bands of varying trace element and hydroxyl concentrations on the micrometer scale (Frondel 1978, 1985).
Note that this type of banding is not restricted to walls of geodes: similar looking patterns of banding will develop around other structures that grew into the cavity, like crystals or moss-like inclusions.
2. Horizontal Banding (also called Uruguay-type banding). This type of banding is less common and usually accompanied by wall-lining banding. The banding consists of fine, irregularly spaced layers of small chalcedony spherulites and sometimes quartz crystals that precipitated in the cavity. Horizontal bands can serve as spirit levels to determine the original orientation of the specimen in the host rock. When the difference in translucency or color between the layers is pronounced, agates with horizontal banding can be used for cutting cameos and engravings.
Note: Agate is not simply "banded chalcedony." There are other types of chalcedony that are banded that do not match the description above, banded flint, for example.
Because the colors and patterns found in agates are so varied and so characteristic for the respective localities, there is a confusingly large number of ever-changing varietal and trade names. Roger Pabian's "Agate Lexicon" at UNL is a good source:
Agates Lexicon http://snr.unl.edu/data/geologysoils/agates/agateslexicon.aspx
There are a number of varieties of chalcedony that are called "agate" that do not match the definition given above. Good examples are "feather agates" and "fire agates". These are listed as varieties of chalcedony, not as varieties of agate.
Visit gemdat.org for gemological information about Agate.
A distinctly banded fibrous chalcedony. Originally reported from Dirillo river (Achates river), Acate, Ragusa Province, Sicily, Italy.
The banding in agate is based on periodic changes in the translucency of the agate substance. Layers appear darker when they are more translucent (this may appear reversed in transmitted light). This effect may be accompanied and amplified by changes in the color of neighboring layers, due to other co-precipitated minerals. In old agates that have been subject to weathering and chemical alteration the differences in translucency may disappear, such specimens may turn almost opaque.
Agate is made of fibrous length-fast chalcedony, sometimes with layers of quartzine (length-slow chalcedony) fibers (Michel-Lévy and Munier-Chalmas 1892; Correns and Nagelschmidt, 1933; Bernauer 1927; Braitsch 1957; Frondel, 1978; Flörke et al. 1991; Graetsch 1994). In thin slices of agate, the fibers are sometimes visible in transmitted light and may cause interesting optical effects (see Iris Agate). Because the individual crystallites in the fibers are not tightly interlocked, agate is slightly porous (e.g., Monroe, 1964), and can be dyed easily.
Two characteristic types of banding can be distinguished in agates (e.g. Graetsch 1994):
1. Wall-lining Banding. The individual bands run perpendicular to the orientation and growth direction of the chalcedony fibers. Since the chalcedony fibers grow from the walls to the interior of a cavity, a concentric, onion-like pattern develops. The changes in translucency reflect periodic changes of crystallite sizes and repetitive nucleation of new fibers at the growth front (Taijing and Sunagawa 1994; Cady et al 1998), as well as chemical composition (Frondel 1978; Heaney and Davis 1995). In addition to the visible bands, there are compositional bands of varying trace element and hydroxyl concentrations on the micrometer scale (Frondel 1978, 1985).
Note that this type of banding is not restricted to walls of geodes: similar looking patterns of banding will develop around other structures that grew into the cavity, like crystals or moss-like inclusions.
2. Horizontal Banding (also called Uruguay-type banding). This type of banding is less common and usually accompanied by wall-lining banding. The banding consists of fine, irregularly spaced layers of small chalcedony spherulites and sometimes quartz crystals that precipitated in the cavity. Horizontal bands can serve as spirit levels to determine the original orientation of the specimen in the host rock. When the difference in translucency or color between the layers is pronounced, agates with horizontal banding can be used for cutting cameos and engravings.
Note: Agate is not simply "banded chalcedony." There are other types of chalcedony that are banded that do not match the description above, banded flint, for example.
Because the colors and patterns found in agates are so varied and so characteristic for the respective localities, there is a confusingly large number of ever-changing varietal and trade names. Roger Pabian's "Agate Lexicon" at UNL is a good source:
Agates Lexicon http://snr.unl.edu/data/geologysoils/agates/agateslexicon.aspx
There are a number of varieties of chalcedony that are called "agate" that do not match the definition given above. Good examples are "feather agates" and "fire agates". These are listed as varieties of chalcedony, not as varieties of agate.
Visit gemdat.org for gemological information about Agate.
Physical Properties of Agate
Waxy, Dull
Transparency:
Translucent
Comment:
vitreous when polished
Colour:
colorless, gray, red, white, any color due to embedded minerals, multicolored specimen not uncommon
Streak:
white
Hardness:
6½ - 7 on Mohs scale
Tenacity:
Brittle
Cleavage:
None Observed
Fracture:
Conchoidal, Sub-Conchoidal
Density:
2.6 g/cm3 (Measured)
Comment:
varies with amount and type of impurities
Age distribution
Recorded ages:
Phanerozoic : 280 Ma to 64.5 Ma - based on 28 recorded ages.
Synonyms of Agate
Other Language Names for Agate
Dutch:Agaat
Finnish:Akaatti
German:Achat
Italian:Agata
Agata-diasporo
Agata-diasporo
Japanese:玉髄
Latin:Achates vix pellucida, nebulosa, colore griseo mixto
Agathe vixpellucida nebulosa colgriseo ore mixta
Agathe vixpellucida nebulosa colgriseo ore mixta
Simplified Chinese:玛瑙
Varieties of Agate
Agate-Jasper | A variety of Agate consisting of Jasper veined with Chalcedony. |
Agatized coral | A variety of agate/chalcedony replacing coral. |
Bird's Eye Agate | A variety of eye agate where the eyes are supposed to resemble the eyes of a bird. |
Blue Lace Agate | A pale blue banded variety of Agate (Chalcedony). |
Botswana Agate | A variety of agate from Botswana, banded with fine, parallel lines, often coloured pink blending into white. |
Brecciated Agate | A naturally cemented matrix of broken agate fragments. |
Cloud Agate | Greyish agate with patches of blurry, foggy inclusions. |
Crazy Lace Agate | An agate composed of multicoloured twisting and turning bands. |
Enhydro Agate | An agate nodule partly filled with water. |
Eye Agate | Agate with concentric ring pattern, looking like an eye. |
Fairburn Agate | A unique and rare variety of Fortification Agate from Fairburn, Custer Co., South Dakota, USA. |
Fortification Agate | Agate with sharp-angled bands which resemble the outlines of fortifications of a castle. |
Fossil Agate | Agate as a replacement material in fossils. |
Haema-ovoid-agates | Name proposed for a reddish agate with ovoidal patches of cacholong, etc. |
Iris Agate | An iridescent variety of agate - when sliced into a thin section it exhibits all the colours of the spectrum when viewed in transmitted light. |
Laguna Agate | A colourful agate variety. Originally described from Ojo Laguna, Chihuahua, Mexico. |
Lake Superior Agate | Believed to be the world's oldest agates, over 1 billion years old, these are found throughout the northern US having been spread from the original Lake Superior region by glaciation. It has generally pale colouring. |
Mexican Lace Agate | Lacy or wavy agate from Mexico. |
Mocha Stone | A variety of agate (chalcedony) containing inclusions of pyrolusite. Originally described from Mocha, Saudi Arabia. |
Onyx | In correct usage, the name refers to a black and white banded variety of Agate, or sometimes a monochromatic agate with dark and light bands (brown and white for example) - but traditionally the name was reserved for black and white banded agate, and brow... |
Pigeon Blood Agate | A blood-red and white variety of agate from Utah. |
Riband Agate | According to Hey's 3rd Ed. this is 'a banded agate', which doesn't tell us much! |
Sardonyx | A variety of Agate with reddish-brown and either black or white bands. |
Youngite | Local name for agate or jasper coated by druzy quartz crystals. Found near Guernsey Wyoming in limestone rocks. |
Common Associates
Calcite | CaCO3 |
Goethite | α-Fe3+O(OH) |
Hematite | Fe2O3 |
Quartz | SiO2 |
Zeolite Group | A group name for a large number of framework alumosilicates (and, rarely, beryllosilicates, zincosilicates, ... |
Associated Minerals Based on Photo Data:
Quartz | 282 photos of Agate associated with Quartz on mindat.org. |
Amethyst | 81 photos of Agate associated with Amethyst on mindat.org. |
Copper | 69 photos of Agate associated with Copper on mindat.org. |
Calcite | 44 photos of Agate associated with Calcite on mindat.org. |
Chalcedony | 36 photos of Agate associated with Chalcedony on mindat.org. |
Carnelian | 26 photos of Agate associated with Carnelian on mindat.org. |
Goethite | 15 photos of Agate associated with Goethite on mindat.org. |
Hematite | 15 photos of Agate associated with Hematite on mindat.org. |
Smoky Quartz | 13 photos of Agate associated with Smoky Quartz on mindat.org. |
Thunder Egg | 13 photos of Agate associated with Thunder Egg on mindat.org. |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
References for Agate
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Michel-Lévy, A., Munier-Chalmas, C.P.E. (1892) Mémoire sur diverses formes affectées par le réseau élémentaire du quartz. Bulletin de la Société Française de Minéralogie: 15: 159-190.
Bernauer, F. (1927) Über Zickzackbänderung (Runzelbänderung) und verwandte Polarisationserscheinungen an Kristallen und Kristallaggregaten. Neues Jahrbuch für Mineralogie, Geologie und Paläontologie, Beilageband: 55: 92-143.
Correns, C.W., Nagelschmidt, G. (1933) Über Faserbau und optische Eigenschaften von Chalzedon. Zeitschrift für Kristallographie, 85, 199-213.
Jones, F.T. (1952) Iris Agate. American Mineralogist: 37: 578-587.
Braitsch, O. (1957) Über die natürlichen Faser- und Aggregationstypen beim SiO2, ihre Verwachsungsformen, Richtungsstatistik und Doppelbrechung. Heidelberger Beiträge zur Mineralogie und Petrographie: 5: 331-372.
Monroe, E.A. (1964) Electron optical observations of fine-grained silica minerals. American Mineralogist: 49: 339-347.
Frondel, C. (1978) Characters of quartz fibers. American Mineralogist: 63: 17-27.
Frondel, C. (1982) Structural hydroxyl in chalcedony (type B quartz). American Mineralogist: 67: 1248-1257.
Fallick, A.E., Jocelyn, J., Donelly, T., Guy, M., Behan, C. (1985) Origin of agates in volcanic rocks from Scotland. Nature: 313: 672-674.
C. Frondel (1985) Systematic compositional zoning in the quartz fibers of agate. American Mineralogist: 70: 975-979.
Flörke, O.W., Graetsch, H., Martin, B., Röller, K., Wirth, R. (1991) Nomenclature of micro- and non-crystalline silica minerals based on structure and microstructure. Neues Jahrbuch für Mineralogie - Abhandlungen: 163: 19-42.
Heaney, P.J., Post, J.E. (1992) The widespread distribution of a novel silica polymorph in microcrystalline quartz varieties. Science: 255: 441-443.
Graetsch, H. (1994) Structural characteristics of opaline and microcrystalline silica minerals. Reviews in Mineralogy, Vol.29, Silica - Physical behavior, geochemistry and materials applications.
Heaney, P.J., Veblen, D.R., Post, J.E. (1994) Structural disparities between chalcedony and macrocrystalline quartz. American Mineralogist: 79: 452-460.
Taijing, L. Sunagawa, I. (1994) Texture formation of agate in geode. Mineralogical Journal: 17: 53-76.
Tanaka, T., Kamioka, H. (1994) Trace element abundance in agate. Geochemical Journal: 28: 359-362.
Taijing, L., Zhang, X. (1995) Nanometer scale textures in agate and Beltane opal. Mineralogical Magazine: 59: 103-109.
Heaney, P.J., Davis, A.M. (1995) Observation and origin of self-organized textures in agates. Science: 269: 1562-1565.
Merino, E., Wang, Y., Deloule, E. (1995) Genesis of agates in flood basalts: twisting of chalcedony fibers and trace-element geochemistry. American Journal of Science: 295: 1156-1176.
Wang, Y., Merino, E. (1995) Origin of fibrosity and banding in agates from flood basalts. American Journal of Science: 295: 49-77.
Cady, S.L., Wenk, H.R., Sintubin, M. (1998) Microfibrous quartz varieties: characterization by quantitative X-ray texture analysis and transmission electron microscopy. Contributions to Mineralogy and Petrology: 130: 320-335.
Götze, J., Plötze, M., Fuchs, H., and Habermann, D. (1999) Defect structure and luminescence behavior of agate - results of electron paramagnetic resonance (EPR) and cathodoluminescence (CL) studies. Mineralogical Magazine: 63: 149-163.
Weise, C., publisher (2000) Achat - extraLapis Nr.19. Christian Weise Verlag, München.
Carlson, M.R. (2002) The Beauty of Banded Agates. Edina: Fortification Press.
Moxon, T., Rios, S. (2002) Agate: a study of ageing. European Journal of Mineralogy: 14: 1109-1118.
Moxon, T. (2004) Moganite and water content as a function of age in agate: an XRD and thermogravimetric study. European Journal of Mineralogy, 16, 269-278.
Zenz, J. (2005) Achate. Bode Verlag, 656 pp. (in German).
Moxon, T., Reed, S.J.B. (2006) Agate and chalcedony from igneous and sedimentary hosts aged from 13 to 3480 Ma: a cathodoluminescence study. Mineralogical Magazine: 70: 485-498.
Zenz, J. (2009) Achate II. Bode Verlag, 656 pp. (in German).
Moxon, T., Carpenter, M.A. (2009) Crystallite growth kinetics in nanocrystalline quartz (agate and chalcedony). Mineralogical Magazine: 73: 551-568.
Moxon, T. (2009): Studies on Agate: Microscopy, Spectroscopy, Growth, High Temperature and Possible Origin. Terra Publications, Doncaster, UK, 96 pp.
Weise, C., publisher (2010) Achate - geboren aus Vulkanen. extraLapis Nr.39. Christian Weise Verlag, München, 98pp.
Götze, J., Gaft, M., Möckel, R. (2015) Uranium and uranyl luminescence in agate/chalcedony. Mineralogical Magazine: 79: 985-995.
http://snr.unl.edu/data/geologysoils/agates/agateslexicon.aspx [Agates Lexicon]
http://www.achat-almanach.de [in English and German]
Internet Links for Agate
mindat.org URL:
https://www.mindat.org/min-51.html
Please feel free to link to this page.
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Search Engines:
Mineral Dealers:
Specimens:
The following Agate specimens are currently listed for sale on minfind.com.
Localities for Agate
Locality List




All localities listed without proper references should be considered as questionable.
Angola | |
| António Manuel Ináçio Martins. |
Argentina | |
| Raúl Jorge Tauber Larry photo & collection |
[var: Onyx] Tauber, Sebastian (2015) unpublished data on site visit. | |
Dirección Provincial de Geología y Minería de la Provincia de Catamarca (1970). Padrón de Minas. | |
Dirección Provincial de Geología y Minería de la Provincia de Catamarca (1970). Padrón de Minas. | |
Dirección Provincial de Geología y Minería de la Provincia de Catamarca (1970). Padrón de Minas. | |
| Van King |
| Journal of the New York Botanical Garden (1918) p40 |
Juan Pablo Ballhorst Collection | |
Juan Pablo Ballhorst specimens | |
Raúl Jorge Tauber Larry (1967). Visita al arroyo Espinillo en la Provincia de Entre Ríos. | |
Raúl Jorge Tauber Larry (1967). Visita al arroyo Espinillo en la Provincia de Entre Ríos. | |
| Ra{ul J. Tauber Larry |
| Luis de los Santos |
Luis de los Santos | |
| Van King |
Henry Minot photo | |
Luis de los Santos | |
| Roland Noack collection |
Maximilian Pusch and Roland Noack collections | |
| Montagne, A. O., Ponce, J. J. y Buhler, M. (2014). Geología de la cuenca Neuquina y sus sistemas petroleros. Fundación YPF-Universidad Nacional de Río Negro, Argentina. |
Luis de los Santos | |
| Raúl J. Tauber Larry |
| Raúl Jorge Tauber Larry |
Raúl J. Tauber Larry´s collection.; Hugo A. Peña (1970): Minerales y rocas de aplicación de la Provincia de Tucumán. Secretaría de Estado de Comercio, Industria y Minería. Dirección Provincial de Minas. Tucumán. República Argentina. | |
Raúl J. Tauber Larry´s collection. | |
Hugo A. Peña (1970): Minerales y rocas de aplicación de la Provincia de Tucumán. Secretaría de Estado de Comercio, Industria y Minería. Dirección Provincial de Minas. Tucumán. República Argentina. | |
Armenia | |
| |
| Pavel M. Kartashov data |
Australia | |
| Myatt, B. (1972) Australian and New Zealand Gemstones. Paul Hamlyn Pty Ltd., 511 pp. |
| R.E. Brown, H.F. Henley and W.J. Stroud: Warwick–Tweed Heads Exploration Data Package Vol. 2, Mineral occurrence data sheets, occurrence lists and mineral occurrence maps, December, 2001. Published by the Geological Survey of New South Wales (GS2001/087). |
| Gilligan, L.B., Brownlow, J.W., Cameron, R.G., Henley, H.F. (1992) Metallogenic Study and Mineral Deposit Data Sheets: Dorrigo-Coffs Harbour 1:250 000 Metallogenic Map SH/56-10, SH/56-11. Geological Survey of New South Wales, Sydney, 509 pages. |
| Matthew Goodwin collection |
| Keith Compton collection |
| Mark Rheinberger pers comm |
| Mineralogical Magazine, October 2006, Vol. 70(5), pp. 485–498 |
| Paix, J. G. (1968) Field Geology of the Shoalhaven District NSW Australia. Council of the Shire of Shoalhaven |
| Modat Mineral Occurrence database; Northern Territory Geological Survey 2002.; Davie-Smythe, M., & Hardwick, B. (2008). Annual report for EL 24709 and EL 24710'Wave Hill Project'for the period 30 December 2007 to 29 December 2008.; Davie-Smythe, M., & Hardwick, B. (2008). Annual report for EL 24709 and EL 24710'Wave Hill Project'for the period 30 December 2007 to 29 December 2008. |
| Mineralogical Magazine, October 2006, Vol. 70(5), pp. 485–498 |
| |
| Hiern, M.N. (1970) Pandurra agate deposit. Mineral Resources Review, South Australia, Vol. 128. pg. 196-199. |
Personal Collection of Ben Grguric; Hiern, M.N. (1970) Pandurra agate deposit. Mineral Resources Review, South Australia, Vol. 128. pg. 196-199. | |
| from vince peisley collection |
| Just came across some of the gold I found detecting on the west coast of Tasmania many years ago . I melted down a fair few of the small nuggets I found to make my wife's and my engagement and wedding rings. Biggest piece only 2 cm across. Hard work that metal detecting ,but I guess you only have to swing over the right piece to strike it rich.; Keith Lancaster - Minerals and Gemstones of Tasmania and their locations. |
| Lancaster, K.E. 1980. Minerals of Tasmania and their locations. Gemcraft Publications. East Malvern, Victoria |
| R. Bottrill 2007. GEOLOGICAL NOTES – MAYDENA AREA. Mineralogica Tasmanica. 61 |
| Holocene gravels containing Agate, Jasper and Petrified Wood. ; Lancaster, K.E. 1980. Minerals of Tasmania and their locations. Gemcraft Publications. East Malvern, Victoria |
| M Latham Collection; |
| Bottrill & Baker (in prep) Catalogue of minerals of Tasmania |
| Occurrences of Gemstone Minerals in Tasmania, R.S. Bottrill and W.L. Matthews, 2005, Mineral Resources Tasmania |
Bottrill & Baker 2008 | |
Bacon, C. A. and Bottrill, R. S. (amended and reprinted 2012) Fossicking areas in Tasmania. Mineral Resources Tasmania | |
Bacon, C. A. and Bottrill, R. S. (amended and reprinted 2012) Fossicking areas in Tasmania. Mineral Resources Tasmania | |
Bottrill, R. S. & Baker, W. E. (2008): A Catalogue of the Minerals of Tasmania. Geological Survey Bulletin 73, Mineral Resources Tasmania, 254 pp. | |
| Keith Lancaster - Minerals and Gemstones of Tasmania and their locations. ; Lancaster, K.E. 1980. Minerals of Tasmania and their locations. Gemcraft Publications. East Malvern, Victoria |
| McDougall, I. (1959). The geology of the Pontville-Dromedary area, Tasmania. In Papers and Proceedings of the Royal Society of Tasmania (Vol. 93, pp. 59-70). |
| Bottrill and Baker, 2008, Catalogue of Minerals of Tasmania |
| |
| Birch, W. D. and Henry, D. A. (1997): Gem Minerals of Victoria |
| Flett, J., The History of Gold Discovery in Victoria, Poppet Head Press, |
| |
| Cochrane, G. W., Bowen, K. G. (1971) Tin deposits of Victoria (No. 60). Geological Survey of Victoria Bulletin No. 60. |
Dunn, E.J.,(1913). Bulletins of the Geological Survey of Victoria No. 25. The Woolshed Valley, Beechworth. Department of Mines. | |
| Judy Rowe Collection |
| Steve Sorrell Collection |
Steve Sorrell Collection | |
| austgems |
| Steve Sorrell Collection |
Fetherston, J., Stocklmayer, S., Stocklmayer, V. (2013): Gemstones of WA, Geological Survey of WA | |
| Fetherston, J.M., Stocklmayer, S.M., Stocklmayer, V.C. (2013) Gemstones of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 25, 306 pages. |
| Fetherston, J.M., Stocklmayer, S.M., Stocklmayer, V.C. (2013) Gemstones of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 25, 306p. |
Fetherston, J., Stocklmayer, S., Stocklmayer, V. (2013): Gemstones of WA, Geological Survey of WA | |
KIm McDonald collection | |
Fetherston, J.M., Stocklmayer, S.M., Stocklmayer, V.C. (2013) Gemstones of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 25, 306 pages, at p.126. | |
| Butt, C.R.M., Robertson, I.D.M. (2003), Ora Banda Sill Platinum Prospect, CRC LEME, 2003 |
| Gemstones of Western Australia; Dept of Minerals and Energy; Western Australian State Government; Perth, 1994; http://www.kumarina.com/projects-Ilgarari.php; The West Australian newspaper, The Mining Industry. Northern Fields. Inspectors Report, 15/02/1929; |
| Fetherston, J., Stocklmayer, S., Stocklmayer, V. (2013): Gemstones of WA, Geological Survey of WA |
Austria | |
| G. Niedermayr: Mineralien-Welt 10(9):52-56 (1999) |
| G. Niedermayr: Carinthia II 190./110.:187-188 (2000) |
| G. Niedermayr: Mineralienwelt 10(9):52-56 (1999) |
| R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993) |
NIEDERMAYR, G. (1999c): Achat in Österreich. - Mineralien-Welt, 10/6, 52-56; Haltern, Germany. | |
Thinschmidt, A. & Steiner, E. (2012): Kiesel & Klunker. Vielfalt aus Niederösterreichs Boden. - 76 pp., St. Pölten (Landesmuseum Niederösterreich). | |
| Kolitsch, U., Brandstätter, F. & Huber, P. (2010): 1656) Achat, Chalcedon und Cr- und Fe-reicher Spinell aus einer Sandgrube SSE von Winzing, Niederösterreich. P. 242 in Niedermayr et al. (2010): Neue Mineralfunde aus Österreich LIX. Carinthia II, 200./120., 199-260. |
| Niedermayr, G. (1990): Eine bemerkenswerte Zeolithparagenese aus einem Serpentinitsteinbruch bei Pingendorf in Niederösterreich. Mineralien-Welt, 1 (2), 31-34. |
Peter Lamatsch collection | |
| Albert Prayer collection |
| Knobloch, G. (2007): Maissauer Amethyst - Formen, Farben, Faszination. - Bode Verlag, Germany, 96 p. |
| Kurz, B. (2009): Zn-Fe-Pb-Cu-Mineralisationen in Marmoren der Bunten Serie, Böhmische Masse, Niederösterreich. Diplomarbeit, Universität Wien, 147 S. |
| Winkler, W. (2003) Eine mineralogische Besonderheit aus dem Lammertal, Salzburg/Österreich - Fossile Harze aus der Unterkreide, pp. 337-342 in Weidinger, J.T., Lobitzer, H., Spitzbart, I. (Hrsg.) 2003. Beiträge zur Geologie des Salzkammerguts. Gmundner Geo-Studien 2 (ISBN 3-9500193-3-2) Erkudok Institut Museum Gmunden (in German with English abstract). |
| A. Strasser: Die Minerale Salzburgs, 1989 |
| A. Strasser: Die Minerale Salzburgs (1989) |
| Aufschluss 1972(SB), 76-79 |
| In the collection of Gerhard Brandstetter |
Belgium | |
| Gottwald 2000 |
Bolivia | |
| specimens collected by Alfredo Petrov, Richard Dale, Amir Akhavan. |
| Alfredo Petrov, field trip observations, 2005. |
| Salomon Rivas y Federico Ahlfeld (1998) Los Minerales de Bolivia y sus Parajes. (Santa Cruz) |
Botswana | USGS (2011) Minerals Yearbook - Botswana |
| Van King |
Brazil | |
| |
| [var: Onyx] Revista Brasileira de Geociências, vol.30 |
| Cassedanne, J. (1984): Les Agates du Sitio Garguelo (Municipe de Cachoeira dos Índios, Paraiba). Anais da Academia Brasileira de Ciencias. 56, 169-181 |
| Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959) |
| |
Büchner, M. (1966) Zauber der Steine. Ausstellungskatalog der Sonderausstellung "Fossilien aus dem Mittleren Jura (Bathonien) von Bethel bei Bielefeld". Naturkunde-Abteilung des Städtischen Museums Bielefeld, Stapenhorststrasse 1. | |
Mineralogical Record (2009) 40:121-125 | |
www.gemstone.org/gem-by-gem/english/fire.html | |
| Karel Bal Collection |
Rob Lavinsky | |
Strieder, A. J., & Heemann, R. (2006). Structural constraints on Paraná basalt volcanism and their implications on agate geode mineralization (Salto do Jacuí, RS, Brazil). Pesquisas em Geociências. Porto Alegre, RS. Vol. 33, n. 1 (2006), p. 37-50. | |
| Manfred Bergmann (2009) Lapis, 34, #3, 30-34. |
Manfred Bergmann (2009) Lapis, 34, #3, 30-34. | |
| Ruiz, M. (2001). Zeólitas em amígdalas do basalto das cidades de Araraquara e Serrana-São Paulo. |
Bulgaria | |
| Marchev, P., Downes, H., Thirlwall, M. F., & Moritz, R. (2002). Small-scale variations of 87Sr/86Sr isotope composition of barite in the Madjarovo low-sulphidation epithermal system, SE Bulgaria: implications for sources of Sr, fluid fluxes and pathways of the ore-forming fluids. Mineralium Deposita, 37(6-7), 669-677. |
Janakieva, Zh., Ch. Nachev, D. Yordanova. Finds of Moganite in Bulgaria.Poster.ІІІ International Symposium “Mineral diversity -Research and preservation” 7-10 October, 2005, Sofia. | |
http://www.clmc.bas.bg/Annreps/ANNREP8/annrep8.htm | |
| http://www.clmc.bas.bg/Annreps/ANNREP8/annrep8.htm |
Anton Ivanov field observation | |
Tsintsov, Z., B. Banushev, E. Vulev. 2006. Sagenitic agates from the Eastern Rhodopes. Mining and geology, 10, 36-40 (in Bulgarian with Russian and English abstracts). | |
| Tsintsov, Z. L., & Banushev, B. S. (2008). Agate geodes from the region of Vladaya village, NW Vitosha, Bulgaria. Dokladi na B lgarskata akademiâ na naukite, 61(1). |
Canada | |
| S. Leaming (1973) Rock and Mineral Collecting in British Columbia. GSC Paper 72-53 |
| www.em.gov.bc.ca/cf/minfile |
| www.em.gov.bc.ca/cf/minfile |
| Simandl, G. J., Paradis, S., Diakow, L. J., Wojdak, P. J., & Hartley, A. J. (1998). PRECIOUS OPAL IN THE WHITESAIL RANGE, WEST-CENTRAL BRITISH COLUMBIA, CANADA (NTS 93E/10W AND 93E/11E). Geological Fieldwork: A Summary of Field Activities and Current Research..., 285. |
| MINFILE No 093E 120; Simandl, G. J., Paradis, S., Diakow, L. J., Wojdak, P. J., & Hartley, A. J. (1998). PRECIOUS OPAL IN THE WHITESAIL RANGE, WEST-CENTRAL BRITISH COLUMBIA, CANADA (NTS 93E/10W AND 93E/11E). Geological Fieldwork: A Summary of Field Activities and Current Research..., 285. |
| www.em.gov.bc.ca/cf/minfile; Simandl, G. J., Hancock, K. D., Callaghan, B., Paradis, S., & Yorke-Hardy, R. (1997). Klinker Precious Opal Deposit, South Central British Columbia, Canada-Field Observations and Potential Deposit-Scale Controls. British Columbia Ministry of Energy and Mines, 321-327. |
| John Sinkankas (1959) Gemstones of North America: Volume 3; Phillips, K. A. (1978) Minerals of Manitoba: Vol 1 Nonmetallic and pegmatic. Manitoba Mineral Resources Division Educational Series 78/1.; Ormerod, M. J., M.D. (1964) Gemstones of Manitoba: Lapidary Journal, v.18, no. 6, p. 704. |
| Van King |
McHone, Greg, 2008, Grand Manan Geology, p. 3. | |
McHone, Greg, 2008, Grand Manan Geology, p. 3. | |
Leiper (ed.), 1966. The Agates of North America | |
| Curatorial Report No. 90 The Nova Scotia Museum Isle Haute Expedition, July 1997, 2000 |
| Gregory G. (1966) Mineral hunting in the Parrsboro, Nova Scotia area. Rocks and Minerals, 41(2):88. |
| [var: Fortification Agate] Jackson, C.T. and Alger, F. (1829) Remarks on the Mineralogy and Geology of the Peninsula of Nova Scotia. Cambridge. |
How, H. (1869) The Mineralogy of Nova Scotia, A Report to the Provincial Government. | |
\"Mineral Resource Land Use Map of Kings County OFM 88-048 (21H/02)\" Nova Scotia Department of Mines and Energy, 1989. | |
| O.C. Marsh (1863) "Catalogue of Mineral Localities in New Brunswick, Nova Scotia, and Newfoundland", American Journal of Science, Series 2, Vol. 35:210-218. |
| GD Jackson, TR Iannelli, RD Knight (1986) Neohelikian Bylot Supergroup of Borden Rift Basin, northwestern Baffin Island, District of Franklin - Current research, part A. |
| Turner, W.A., Richards, J.P., Nesbitt, B.E., Muehlenbachs, K., and Biczok, J.L. (2001): Mineralium Deposita 36, 442-457. |
| GSC Misc.Report 49, by Ann P.Sabina 1991, Rocks and Minerals for the Collector, Sudbury to Winnipeg |
Satterly, J. (1977) A Catalogue of the Ontario Localities Represented by the Mineral Collection of the Royal Ontario Museum; Ontario Geological Survey Miscellaneous Paper MP70,464p. | |
| Kelso, I.S. and Kissin, S.A.,(2002) Geology and fluid inclusion studies of the Thunder Bay Agate Mine, Northwestern Ontario Proceedings Volume of the Institute on Lake Superior Geology Vol 48 pp 22-2 |
| Ontario Gem Company |
Traill, R. J. (1980) Catalog of Canadian Minerals: Revised 1980. Geological Survey of Canada Paper 80-18. | |
| Ann P.Sabina (1991), Rocks and Minerals for the Collector, Sudbury to Winnipeg. GSC Misc. Report 49. p.111 |
| Frédéric Messier Leroux (2005 Field Observations) |
Chile | |
| Alfredo Petrov collection |
| I.Domeyko Museum collection in the La Serena School of mine; Sernageomin database; Flores H. (1938); Informe preliminar sobre el mineral de Cerro Blanco", Paipote (Copiapo), Chile |
H. Flores (1938): "Informe Geológico preliminar sobre el mineral de Cerro Blanco; Sociedad Explotadora de Minas, Paipote (Copiapó), Chile. | |
| Sernageomin database 2005;Stgo de Chile |
| C. Ruiz Fuller/F. Peebles (1988): "Yacimientos metalíferos de Chile": Fondecyt, Stgo de Chile. |
China | |
| Yongming Shi, Qun Zhu, and You Gao (2006): Geology and Prospecting 42(5), 23-27 |
| Rob Woodside collection |
| [var: Onyx] Zhimin Cao (1991): Journal of Chengdu College of Technology 18(4), 26-36 |
| Liangju Zhang, Can Rao, Changlong Zhang, Qingfeng Ruan, Wei Lei, Baoli Liao, and Tao He (2008): Journal of Guilin University of Technology 28(3), 289-294 |
| http://www.tibetinfor.com/tibetzt/naqu/doc/0301.htm |
| Yanling Tang (2005): Non-metallic mineral deposits of Xinjiang, China [Zhongguo Xinjiang Fei Jinshu Kuangchuang]. Geological Publishing House (Beijing), 289 pp. |
| Yanling Tang (2005): Non-metallic deposits of Xinjiang, China [Zhongguo Xinjiang Fei Jinshu Kuangchuang]. Geological Publishing House (Beijing), 289 pp. |
| Chunzeng Wang, Jinfu Lin, and Kaiqiu Dai (2001): Mineralium Deposita 36(5), 458-464. |
| Yanling Tang (2005): Non-metallic deposits of Xinjiang, China [Zhongguo Xinjiang Fei Jinshu Kuangchuang]. Geological Publishing House (Beijing), 289 pp. |
| Yanling Tang (2005): Non-metallic deposits of Xinjiang, China [Zhongguo Xinjiang Fei Jinshu Kuangchuang]. Geological Publishing House (Beijing), 289 pp. |
| http://ludian.mofcom.gov.cn/aarticle/tupianxw/200603/20060301755052.html |
Costa Rica | Rocks&Min.16:325. |
Croatia | |
| Matija Vukovski |
Cuba | |
| http://www.igme.es/museo/exposiciones/catalogo_rocas.pdf |
Czech Republic | |
| Janouš F.: Brdské acháty. Minerál, 1997, roč. 5, č. 6, s. 449-450. |
| [Lapis 1995, 12, p.13-24] |
| Vitezslav Snasel. |
| Pauliš, P.: Nejzajímavější mineralogická naleziště Čech. Kutná Hora: Kuttna, 2000, s. 61. |
David Godziewski | |
Vitezslav Snasel collection | |
Vitezslav Snasel collection | |
S.SIMKO | |
| Slavomír Šimko collection |
Šreinová, B., Šrein, V.: Melafyry levínské plošiny. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1997, roč. 4-5, s. 200-203. | |
S.ŠIMKO | |
| No reference listed |
| geological prospecting, 2008 - 2009, Czech geological Organization |
| Duda, Rejl, Slivka: "Mineralien", 1991 |
| David Godziewski |
V Snasel collection | |
David Godziewski | |
Pauliš, P.: Nejzajímavější mineralogická naleziště Čech II. Kutná Hora: Kuttna, 2003, s. 49-50. | |
David Godziewski | |
| Pauliš P. et al.: Dachiardit-Ca z Proseče pod Ještědem u Liberce. Zprávy o geologických výzkumech v roce 2007, Mineralogie, petrologie a geochemie, 179-181. |
David Godziewski | |
| No reference listed |
| I.Vašina(september 2011)-agate in limestone from locality Lískovec. |
| Smutný, Z.: Hončova hůrka – stav lokality a nálezy minerálů v letech 1995 – 1996. Časopis Slezského musea, series A: vědy přírodní, 1997, roč. 46, č. 2. s. 188 – 189. |
| Mrázek, I.: Nová nelaziště achátu a opálu u Brna-Černovic. Časopis pro mineralogii a geologii, 1976, roč. 21, č. 1, s. 96. |
| Fernando Gascón Collection |
| www.geocities.com/Smula.geo; Sejkora, Jiří, Jiří Čejka, Vladimir Šrein (2007), Supergene uranium mineralization from Horní Halže, near Medenec (Krušné hory Mountains), Czech Republic. Journal of Geosciences 52, 199-210. |
| Vitezslav Snasel. |
Denmark | |
| Torben Kjeldgård photo & collection |
DR Congo | |
| Paul De Bondt collection |
Finland | |
| Lindroos, P (1977) Raportti akaattilöytöihin liittyvistä selvityksistä, Geological Survey of Finland |
Halme, Erkki 1974. Akaatteja Huittisista. Geologi-lehti nro 4, 1974. | |
France | |
| Collected by François Périnet |
| OLLIC Pascal Collection |
| BRGM (1981) - Fiche BSS 08182X4002/GT |
| P.G. Pélisson : "Etude Minéralogique et Métallogénique du District Filonien Polytype de Paulhaguet (Haute-Loire, Massif Central Français)", Doctorate Thesis, Orléans, France, 1989 |
P.G. Pélisson : "Etude Minéralogique et Métallogénique du District Filonien Polytype de Paulhaguet (Haute-Loire, Massif Central Français)", Doctorate Thesis, Orléans, France, 1989 | |
| Matthias Diot Collection |
| J.-J. Périchaud: "Les Minéraux d'Auvergne", Vol. 1, 1985 |
| J.J. Périchaud: "Les Minéraux d'Auvergne", Vol. 1, 1985 |
J.-J. Périchaud: "Les Minéraux d'Auvergne", Vol. 1, 1985 | |
| Combrit Mineral Museum specimen |
| Olivier Mével specimen |
| Olivier Mével observation |
| Rob Lavinsky (ex. D. Stark and Otto Hoffman specimen) |
| J.-L. Hohl: "Minéraux et Mines du Massif Vosgien", Editions du Rhin (Mulhouse), 1994 |
| Belot, Victor R. (1978) Guide des minéraux, coquillages et fossiles: où les trouver en France, comment les reconnaître et les collectionner (Guides Horay). Pierre Horay (Ed.), 224 pp. |
J.-L. Hohl: "Minéraux et Mines du Massif Vosgien", Editions du Rhin (Mulhouse), 1994 | |
| J.-L. Hohl: "Minéraux et Mines du Massif Vosgien", Editions du Rhin (Mulhouse), 1994 |
| J.-L. Hohl: "Minéraux et Mines du Massif Vosgien", Editions du Rhin (Mulhouse), 1994 |
| M Arliguie collection |
| desescaut.jy@voila.fr |
| Baret, Ch. (1905): Catalogue de la Collection de Minéralogie de la Loire-Inférieure, Muséum de Nantes, 88. |
C. Barret 1898 Minéralogie de la Loire Inférieure, Tome 8, fascicule II, p 45-46 | |
Baret, Ch. (1905): Catalogue de la Collection de Minéralogie de la Loire-Inférieure, Muséum de Nantes, 73. | |
C. Barret 1898 Minéralogie de la Loire Inférieure, Tome 8, fascicule III, p45-46 | |
| Baret, Ch. (1905): Catalogue de la Collection de Minéralogie de la Loire-Inférieure, Muséum de Nantes, 88. |
| Baret, Ch. (1905): Catalogue de la Collection de Minéralogie de la Loire-Inférieure, Muséum de Nantes, 88. |
| Baret, Ch. (1905): Catalogue de la Collection de Minéralogie de la Loire-Inférieure, Muséum de Nantes, 89. |
Baret, Ch. (1905): Catalogue de la Collection de Minéralogie de la Loire-Inférieure, Muséum de Nantes, 73. | |
Baret, Ch. (1905): Catalogue de la Collection de Minéralogie de la Loire-Inférieure, Muséum de Nantes, 88. | |
| Baret, Ch. (1905): Catalogue de la Collection de Minéralogie de la Loire-Inférieure, Muséum de Nantes, 88. |
| Martins da Pedra collection |
G. MARI (1979) : Mines et minéraux de la Provence cristalline (Maures.Esterel.Tanneron). Ed. SERRES | |
| MAURY (S), 2015 - Les indices minéralogiques de l'Estérel, 1ère partie. Le Cahier des Micromonteurs, n°128 (2-2015), pp 17-33 Amir Akhavan Collection |
Georgia | |
| Alexander G. Tvalchrelidze, Georges Morizot (2003) Mineral Resource Base of the Southern Caucasus and Systems for its Management in the XXIst Century. Springer 204pp |
| Alexander G. Tvalchrelidze, Georges Morizot (2003) Mineral Resource Base of the Southern Caucasus and Systems for its Management in the XXIst Century. Springer 204pp |
Germany | |
| S. Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 |
| No reference listed |
| Weiss: "Mineralfundstellen, Deutschland West", 1990 |
K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992 | |
| S. Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 |
| Lapis 1980(3), 26-27 |
| https://www.mineralienatlas.de/lexikon/index.php/Deutschland/Baden-W%fcrttemberg/Freiburg%2C%20Bezirk/Waldshut%2C%20Landkreis/Albbruck/Unteralpfen |
| Kaiser, H. (1984): Die Grube Clara zu Wolfach im Schwarzwald. Verlag Karl Schillinger, Freiburg im Breisgau, 102 pp. (in German) |
| Weiss: "Mineralfundstellen, Deutschland West", 1990 |
| Aufschluss 1987(8/9), 275-277; Aufschluss 1987(10), 317-329 |
| Lorenz, J. (2006): Die Achate aus dem Rhyolith vom Rehberg bei Sailauf im Spessart. Lapis 31 (6), 13-20; 70. |
| Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 |
| Hans-Jürgen Haas |
| Weiss: "Mineralfundstellen, Deutschland West", 1990 |
| A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001 |
| A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001 |
| Collection of Steffen Michalski, ex-collection and collected by Klaus PETITJEAN |
| Weiss: "Mineralfundstellen, Deutschland West", 1990 |
| W. Hansch (Ed.): "Nordische Geschiebe - Zeugen der Eiszeit", Veröff. Städt. Museen Heilbronn, 1994 |
| Haller, V., A. Kittelmann & T. Radenbach (2016): Achat- und Chalcedon-Mineralisationen im Gebiet des Rothaargebirges (Sauerland und Wittgenstein). Mineralien-Welt, 27 (4), 74-85. |
| Maggie Wilson specimen |
Poser, C., and Lutz, H. (2004): Mineralien aus Rheinland-Pfalz.Landessammlung für Naturkunde Rheinland-Pfalz (Mainz) | |
| Weiss: "Mineralfundstellen, Deutschland West", 1990 |
O'Donoghue, M., ed. (1977): The Encyclopedia of Minerals and Gemstones. Rigby (Adelaide), 304 pp. | |
| H.-P. Schröder: Lapis 29(9):17-20 (2004) |
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 | |
| A Bleeker collection |
| Weiss: "Mineralfundstellen, Deutschland West", 1990 |
| Amir Akhavan Collection |
| Poser, C., and Lutz, H. (2004): Mineralien aus Rheinland-Pfalz.Landessammlung für Naturkunde Rheinland-Pfalz (Mainz) |
| S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 |
| Poser, C., and Lutz, H. (2004): Mineralien aus Rheinland-Pfalz.Landessammlung für Naturkunde Rheinland-Pfalz (Mainz) |
| http://www.mineralworld.de/deutschhome/Achate/Europa/Deutschland/Nahe/steinbruch_army.html |
http://www.mineralworld.de/deutschhome/Achate/Europa/Deutschland/Nahe/steinbruchbackesberg.html | |
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 | |
Thomas Kleser Collection | |
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 | |
| http://www.mineralworld.de/deutschhome/Achate/Europa/Deutschland/Nahe/steinbruch_dienstweiler.html |
| Weiss: "Mineralfundstellen, Deutschland West", 1990 |
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 | |
| Weiss: "Mineralfundstellen, Deutschland West", 1990 |
| S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 |
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 | |
| Hoffmann-Rothe, R. (2002): Die Achate vom Finkenberg in Idar. Lapis 27 (2), 13-17. |
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 | |
Leonhard C.C. (1812): Reise nach Oberstein durch das Tal der Nahe, in Leonhard & Selb, Mineralogische Studien, Verlag Schrag, Nürnberg 1812 | |
No reference listed | |
| S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 |
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 | |
Land des Blauen Löwen - booklet | |
| Kohout, K. (2008): Der Steinbruch Giro am Mannbühl: Spitzenfunde aus 27 Jahren. Lapis, 33 (5), 32-35. ; Bungert, R., Frey, W.-G. and Hesse, P. (2008): Die Mineralien des Steinbruch Giro am Donnersberg, Pfalz. Lapis 33 (3), 13-19; 50. |
| Weiss: "Mineralfundstellen, Deutschland West", 1990 |
| Hartmut Hensel |
| Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 |
| Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990 |
| Poser, C., and Lutz, H. (2004): Mineralien aus Rheinland-Pfalz.Landessammlung für Naturkunde Rheinland-Pfalz (Mainz) |
Weiss: "Mineralfundstellen, Deutschland West", 1990 | |
| (Th. Kleser) |
| G. Müller |
Thomas Kleser & Erwin Ecker Collections | |
| H. Schneider: Saarland. Sammlung geologischer Führer, Vol. 84. Borntraeger (Berlin, Stuttgart), 1991 |
| Thomas Kleser Collection , XRD-analysis G. Müller, Scheid |
| Thomas Kleser collection |
Lapis 1977(6), 8 | |
| Weiß, S. (1990): "Mineralfundstellen, Deutschland West", Weise (Munich). |
| Lapis 1977(6), 8 |
Omer Vanheule collection | |
| http://www.strahlen.org/vp/de/setz/; Thomas Kleser collection |
| A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001 |
| https://www.mineralienatlas.de/?l=2974 |
| Huhle, H. & G. Hohndorf (2013): Interessante Mineralienfunde aus dem Braunkohletagebau Amsdorf bei Halle a.d. Saale. Mineralien-Welt, 24( 6), 118-129. |
| Thomas Lühr collection |
| Thomas Lühr collection |
[var: Brecciated Agate] | |
| Andreas Gerstenberg collection; Vollstädt, H. (1979): Einheimische Minerale, VEB Deutscher Verlag für Grundstoffindustrie, Leipzig, p. 289. |
| H. Vollstädt, R. Baumgärtel: "Einheimische Edelsteine", 2nd. ed., Steinkopff (Dresden), 1977 |
H. Vollstädt, R. Baumgärtel: "Einheimische Edelsteine", 2nd. ed., Steinkopff (Dresden), 1977 | |
| H. Vollstädt, R. Baumgärtel: "Einheimische Edelsteine", 2nd. ed., Steinkopff (Dresden), 1977 |
http://www.mineralienatlas.de/lexikon/index.php/Deutschland/Sachsen/Dresden%2C%20Direktionsbezirk/Bautzen/Ottendorf-Okrilla | |
| Wittern: "Mineralfundorte in Deutschland", 2001 |
| |
Wittern: "Mineralfundorte in Deutschland", 2001 | |
| Lapis, 19 (4), 13-22+50. |
Lapis 30(7/8):78-80 (2005) | |
| Wittern: "Mineralfundorte in Deutschland", 2001 |
| H. Vollstädt, R. Baumgärtel: "Einheimische Edelsteine", 2nd. ed., Steinkopff (Dresden), 1977 |
| Jens Urban, Hainichen, pers. commun. |
| Lüttich, M. (2008): Änderungen von Fundmöglichkeiten auf Lesesteinfeldern am Beispiel Ebersbach bei Bad Lausick in Sachsen, Der Aufschluss, Vol. 59, 201-207 |
H. Vollstädt, R. Baumgärtel: "Einheimische Edelsteine", 2nd. ed., Steinkopff (Dresden), 1977 | |
| H. Vollstädt, R. Baumgärtel: "Einheimische Edelsteine", 2nd. ed., Steinkopff (Dresden), 1977 |
| Wittern: "Mineralfundorte in Deutschland", 2001 |
| Andreas Gerstenberg collection |
| H. Vollstädt, R. Baumgärtel: "Einheimische Edelsteine", 2nd. ed., Steinkopff (Dresden), 1977 |
| H. Vollstädt, R. Baumgärtel: "Einheimische Edelsteine", 2nd. ed., Steinkopff (Dresden), 1977 |
H. Vollstädt, R. Baumgärtel: "Einheimische Edelsteine", 2nd. ed., Steinkopff (Dresden), 1977 | |
| Andreas Gerstenberg collection |
| M Adelt collection |
| Christian Bracke Collection |
Frenzel, A. (1874): Mineralogisches Lexicon für das Königreich Sachsen, Leipzig. | |
https://www.mineralienatlas.de/lexikon/index.php/Deutschland/Sachsen/Zwickau%2C%20Landkreis/Zwickau/Schedewitz | |
| A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001 |
| A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001 |
| A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001 |
| A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001 |
| A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001 |
| A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001 |
| A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001 |
A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001 | |
| Wittern: "Mineralfundorte in Deutschland", 2001 |
| Thomas Lühr collection |
| Kay Urbigkeit |
| Kretschmann, G. (2011): Bilder im Achat: "Tierfiguren" vom Nesselhof in Thüringen. Lapis 36 (5), 25-27. |
| No reference listed |
Rob Lavinsky | |
| Knoll, H. (2009): Interessante Fundstellen bei Gräfenroda im Thüringer Wald. Mineralien-Welt 20 (2), 50-61. |
| Wittern: "Mineralfundorte in Deutschland", 2001 |
| No reference listed |
Greece | |
| Adam Stephens |
Hungary | |
| |
Szakáll & Gatter: Hungarian Mineral Species, 1993 | |
Koch: Minerals of Hungary, 1985 | |
| Szakáll & Jánosi: Minerals of Hungary, 1995 |
| |
| |
GEODA 2002 | |
Geoda | |
Bulletin of the Hungarian Geological Society | |
Mineral Species of Hungary, 2005 | |
Geoda, 2003 | |
Szakáll-Jánosi: Minerals of Hungary | |
GEODA/1997 | |
India | |
| Richard M. Pearl: "Minerals of India", Mineral Digest, vol. 2. |
| Fulljames, G. “A Visit. December, 1832, to the Carnelian Mines, situated in the Rajpeepta Hills, to the Eastward of Broach” Transactions, Bombay Geographical Society Vol. 2 p. 74 |
Kshirsagar, P.V., Sheth, H.C, Seaman, S.J, Shaikh, B., Mohite, P., Gurav, T., Chandrasekharam, D. (2011) Spherulites and thundereggs from pitchstones of the Deccan Traps: geology, petrochemistry, and emplacement environments. Bulletin of Volcanology, 74, 559-577. | |
Kshirsagar, P.V., Sheth, H.C, Seaman, S.J, Shaikh, B., Mohite, P., Gurav, T., Chandrasekharam, D. (2011) Spherulites and thundereggs from pitchstones of the Deccan Traps: geology, petrochemistry, and emplacement environments. Bulletin of Volcanology, 74, 559-577. | |
Kshirsagar, P.V., Sheth, H.C, Seaman, S.J, Shaikh, B., Mohite, P., Gurav, T., Chandrasekharam, D. (2011) Spherulites and thundereggs from pitchstones of the Deccan Traps: geology, petrochemistry, and emplacement environments. Bulletin of Volcanology, 74, 559-577. | |
| Richard M. Pearl: "Minerals of India", Mineral Digest, vol. 2. |
| [var: Onyx] Richard M. Pearl: "Minerals of India", Mineral Digest, vol. 2. |
| |
| Eur. Jour. Min. 13, no. 1(2001) |
Indonesia | |
| karel Bal Collection |
| Observed and acchived at the mine by P. Andresen, 1992. |
Iran | [var: Agate-Jasper] http://iranian-agates.freeservers.com/ |
| Javad Amiri collection |
Mineralogical Magazine, October 2006, Vol. 70(5), pp. 485–498; Maziar Nazari (2005) The Khur Agate Field, Central Iran. Symposium on Agate and Cryptocrystalline Quartz, September 10-13, 2005, Golden, Colorado. Program and Abstracts, pp 36-52. | |
| "Dan Costian" Collection |
Isle of Man | |
| BMS Database |
BMS Database | |
Italy | |
| Jervis, G. (1874) I tesori sotterranei dell'Italia. Vol. 2: Regione dell’Appennino e vulcani attivi e spenti dipendentivi. Ermanno Loescher, Torino, XVIII+624 pp.; Coppi, P. (1880) Indicazioni a guida geo-mineralogica della provincia di Modena-Frignano. Atti della Società dei Naturalisti e Matematici di Modena, serie 2, 14, 131-148. |
| Balsamo Crivelli, G. (1864) Notizie sovra i prodotti minerali della Provincia di Pavia. Notizie naturali e chimico-agronomiche sulla Provincia di Pavia, Tipografia in Ditta Eredi Bizzoni, Pavia, 1-40; Jervis, G. (1874) I tesori sotterranei dell'Italia. Vol. 2: Regione dell’Appennino e vulcani attivi e spenti dipendentivi. Ermanno Loescher, Torino, XVIII+624 pp. |
| [var: Agate-Jasper] - Conti-Vecchi, G. & Stara, P.(1991): Minerali della Sardegna, Della Torre Edizioni, Cagliari, 276 pp. |
| Gamboni, A., Cuccuru, S. & Carta, M. (2015) - I minerali della cava Funtanedda Ulumu, Ploaghe, Provincia di Sassari, Sardegna - Rivista Mineralogica Italiana, 1/2015,16-29. |
| Jervis G. (1881): I tesori sotterranei dell'Italia. Vol. 3: Regioni delle Isole. Sardegna e Sicilia. Addenda ai precedenti volumi. Loescher, Torino, XXII+539 pp. |
| - Tata D. (1772): Catalogo di una raccolta di pietre dure native di Sicilia esistente presso l’abate D. Domenico Tata. Fratelli Raimondi, Napoli, 40 pp. - Jervis G. (1881): I tesori sotterranei dell'Italia. Vol. 3: Regioni delle Isole. Sardegna e Sicilia. Addenda ai precedenti volumi. Loescher, Torino, XXII+539 pp. |
- Tata D. (1772): Catalogo di una raccolta di pietre dure native di Sicilia esistente presso l’abate D. Domenico Tata. Fratelli Raimondi, Napoli, 40 pp. - Jervis G. (1881): I tesori sotterranei dell'Italia. Vol. 3: Regioni delle Isole. Sardegna e Sicilia. Addenda ai precedenti volumi. Loescher, Torino, XXII+539 pp. | |
| Jervis G. (1881): I tesori sotterranei dell'Italia. Vol. 3: Regioni delle Isole. Sardegna e Sicilia. Addenda ai precedenti volumi. Loescher, Torino, XXII+539 pp. |
Jervis G. (1881): I tesori sotterranei dell'Italia. Vol. 3: Regioni delle Isole. Sardegna e Sicilia. Addenda ai precedenti volumi. Loescher, Torino, XXII+539 pp. | |
- Tata D. (1772): Catalogo di una raccolta di pietre dure native di Sicilia esistente presso l’abate D. Domenico Tata. Fratelli Raimondi, Napoli, 40 pp. - Jervis G. (1881): I tesori sotterranei dell'Italia. Vol. 3: Regioni delle Isole. Sardegna e Sicilia. Addenda ai precedenti volumi. Loescher, Torino, XXII+539 pp. | |
- Tata D. (1772): Catalogo di una raccolta di pietre dure native di Sicilia esistente presso l’abate D. Domenico Tata. Fratelli Raimondi, Napoli, 40 pp. - Jervis G. (1881): I tesori sotterranei dell'Italia. Vol. 3: Regioni delle Isole. Sardegna e Sicilia. Addenda ai precedenti volumi. Loescher, Torino, XXII+539 pp. | |
Jervis G. (1881): I tesori sotterranei dell'Italia. Vol. 3: Regioni delle Isole. Sardegna e Sicilia. Addenda ai precedenti volumi. Loescher, Torino, XXII+539 pp. | |
Jervis G. (1881): I tesori sotterranei dell'Italia. Vol. 3: Regioni delle Isole. Sardegna e Sicilia. Addenda ai precedenti volumi. Loescher, Torino, XXII+539 pp. | |
- Tata D. (1772): Catalogo di una raccolta di pietre dure native di Sicilia esistente presso l’abate DJervis G. (1881): I tesori sotterranei dell'Italia. Vol. 3: Regioni delle Isole. Sardegna e Sicilia. Addenda ai precedenti volumi. Loescher, Torino, XXII+539 pp. | |
Jervis G. (1881): I tesori sotterranei dell'Italia. Vol. 3: Regioni delle Isole. Sardegna e Sicilia. Addenda ai precedenti volumi. Loescher, Torino, XXII+539 pp. | |
- Tata D. (1772): Catalogo di una raccolta di pietre dure native di Sicilia esistente presso l’abate D. Domenico Tata. Fratelli Raimondi, Napoli, 40 pp. - Jervis G. (1881): I tesori sotterranei dell'Italia. Vol. 3: Regioni delle Isole. Sardegna e Sicilia. Addenda ai precedenti volumi. Loescher, Torino, XXII+539 pp. | |
Jervis G. (1881): I tesori sotterranei dell'Italia. Vol. 3: Regioni delle Isole. Sardegna e Sicilia. Addenda ai precedenti volumi. Loescher, Torino, XXII+539 pp. | |
Jervis G. (1881): I tesori sotterranei dell'Italia. Vol. 3: Regioni delle Isole. Sardegna e Sicilia. Addenda ai precedenti volumi. Loescher, Torino, XXII+539 pp. | |
- Tata D. (1772): Catalogo di una raccolta di pietre dure native di Sicilia esistente presso l’abate D. Domenico Tata. Fratelli Raimondi, Napoli, 40 pp. - Jervis G. (1881): I tesori sotterranei dell'Italia. Vol. 3: Regioni delle Isole. Sardegna e Sicilia. Addenda ai precedenti volumi. Loescher, Torino, XXII+539 pp. | |
Catalano R., Avellone G., Basilone L., Contino A., Agate M. (Eds.) (2011): Note illustrative della Carta Geologica d’Italia alla scala 1:50.000, Foglio 609-596 Termini Imerese-Capo Plaia. ISPRA, Serv. Geol. It. – Regione Siciliana-Assessorato Territorio e Ambiente, SystemCart S.r.l., Roma, 224 pp. | |
Jervis G. (1881): I tesori sotterranei dell'Italia. Vol. 3: Regioni delle Isole. Sardegna e Sicilia. Addenda ai precedenti volumi. Loescher, Torino, XXII+539 pp. | |
Jervis G. (1881): I tesori sotterranei dell'Italia. Vol. 3: Regioni delle Isole. Sardegna e Sicilia. Addenda ai precedenti volumi. Loescher, Torino, XXII+539 pp. | |
| [Clark, 1993 - "Hey's Mineral Index, 3rd Edition"] |
| Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp. |
| Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp. |
| Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp. |
Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp. | |
Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp. | |
Gramaccioli C.M. (1975): Minerali alpini e prealpini. Istituto Italiano Edizioni Atlas, Bergamo, 2 vol., 472 pp. | |
Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp. | |
Del Caldo A., Moro C., Gramaccioli C.M., Boscardin M. (1973): Guida ai minerali. Fratelli Fabbri Editori, Milano, 208 pp. | |
Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp. | |
Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp. | |
Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp. | |
Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp. | |
Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp. | |
Exel, R. (1987): Guida mineralogica del Trentino e del Sudtirolo. Athesia, Bolzano, 204 pp. | |
| Nannoni, R., Capperi, M., 1989. Miniere e minerali della Val di Cecina. Gruppo Mineralogico Cecinese. Tip. Grafiche Favillini, Livorno. |
Nannoni, R., Capperi, M., 1989. Miniere e minerali della Val di Cecina. Gruppo Mineralogico Cecinese. Tip. Grafiche Favillini, Livorno. | |
| Fabris, L., Guastoni, A. (2014) Provincia di Padova. In: Zorzi, F., Boscardin, M., (eds.), Minerali del Veneto. Alla scoperta dei tesori della nostra regione. Museo di Storia Naturale e Archeologia di Montebelluna - Treviso, Cierre Edizioni, Sommacampagna, pages 121-141. |
| Arduino, G. (1765): Delle miniere d’Allume, e di altre scoperte Mineralogiche fatte nel Vicentino. Lettera datata Vicenza, 12 Novembre 1764. Giornale d’Italia, 1, 167-168; Boscardin, M., Violati Tescari, O. (1996): Gemme del Vicentino. Comune di Montecchio Maggiore, Museo Civico "G. Zannato", Montecchio Maggiore (Vicenza), 114 pp.; Boscardin, M., Daleffe, A., Rocchetti, I., Zordan, A. (2011): Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni. Museo di Archeologia e Scienze Naturali “G. Zannato”, Montecchio Maggiore (Vicenza), 183 pp.; Zordan, A. (2014): Provincia di Vicenza. In: Zorzi, F., Boscardin, M., (eds.), Minerali del Veneto. Alla scoperta dei tesori della nostra regione. Museo di Storia Naturale e Archeologia di Montebelluna - Treviso, Cierre Edizioni, Sommacampagna, pages 173-246. |
| - Boscardin M., Violati Tescari O. (1996): Gemme del Vicentino. Comune di Montecchio Maggiore, Museo Civico "G. Zannato", Montecchio Maggiore, pages 47-53. - Boscardin M., Daleffe A., Rocchetti I., Zordan A. (2011): Minerali del Vicentino - Aggiornamenti, località e nuove determinazioni. Museo di Archeologia e Scienze Naturali “G. Zannato” – Montecchio Maggiore (Vicenza), 183 pp. - Zordan A. (2014): Provincia di Vicenza. In: Zorzi F., Boscardin M. (eds.), Minerali del Veneto. Alla scoperta sei tesori della nostra regione. Museo di Storia Naturale e Archeologia di Montebelluna - Treviso, Cierre Edizioni, Sommacampagna, 173-246. |
| Boscardin M.- De Zen L.- Zordan A. I Minerali della Val Leogra e della Val D' Astico Cassa Rurale Artigiana " Monte Magre' " Schio -(Vicenza) 1989 pp. 56-57 |
| Boscardin M. Violati Tescari o.- Gemme del Vicentino - Museo Civico "G.Zannato" Montecchio Maggiore (Vicenza) 1996 pp. 46, 50, 69. |
| http://www.tron.vi.it/minerali/index.html; Della Costa, L. (2014): Zeoliti e altri minerali della Valle del Timonchiello, Tretto, Schio, Vicenza. Rivista Mineralogica Italiana, 38, 4 (4-2014), 248-259. |
| Maraschini, P. (1824): Del porfido pirossenico. In: Sulle formazioni delle rocce del Vicentino. Saggio geologico. Tipografia della Minerva, Padova, pages 133-157; Jervis, G. (1873): I tesori sotterranei dell'Italia. Vol. 1: Regioni delle Alpi. Ed. Loescher, Torino, 410 pp.; Billows, E. (1919): Lessico mineralogico per la regione veneta. Società Coop. Tipografica, Padova, 54 pp.; Boscardin, M., Girardi, A., Violati Tescari, O. (1975): Minerali nel Vicentino. Club Alpino Italiano, Sezione di Vicenza, 144 pp.; Boscardin, M., Violati Tescari, O. (1996): Gemme del Vicentino. Comune di Montecchio Maggiore, Museo Civico "G. Zannato", Montecchio Maggiore (Vicenza), 114 pp.; Della Costa, L. (2014): Zeoliti e altri minerali della Valle del Timonchiello, Tretto, Schio, Vicenza. Rivista Mineralogica Italiana, 38, 4 (4-2014), 248-259; Zordan, A. (2014): Provincia di Vicenza. In: Zorzi, F., Boscardin, M., (eds.), Minerali del Veneto. Alla scoperta dei tesori della nostra regione. Museo di Storia Naturale e Archeologia di Montebelluna - Treviso, Cierre Edizioni, Sommacampagna, 173-246. |
Billows, E. (1919): Lessico mineralogico per la regione veneta. Società Coop. Tipografica, Padova, 54 pp.; Boscardin, M., Girardi, A., Violati Tescari, O. (1975): Minerali nel Vicentino. Club Alpino Italiano, Sezione di Vicenza, 144 pp.; Zordan, A. (2014): Provincia di Vicenza. In: Zorzi, F., Boscardin, M., (eds.), Minerali del Veneto. Alla scoperta dei tesori della nostra regione. Museo di Storia Naturale e Archeologia di Montebelluna - Treviso, Cierre Edizioni, Sommacampagna, 173-246. | |
| Personally found by Mr. Gianfranco Capolupi; Boscardin, M., Violati Tescari, O. (1996): Gemme del Vicentino. Comune di Montecchio Maggiore, Museo Civico "G. Zannato", Montecchio Maggiore (Vicenza), 114 pp.; Zordan, A. (2014): Provincia di Vicenza. In: Zorzi, F., Boscardin, M., (eds.), Minerali del Veneto. Alla scoperta dei tesori della nostra regione. Museo di Storia Naturale e Archeologia di Montebelluna - Treviso, Cierre Edizioni, Sommacampagna, 173-246. |
| Gianfranco Capolupi |
Jamaica | Lapidary Journal 24(11):1476 |
Japan | |
| Masutomi Museum specimen (Kyoto) |
| Alfredo Petrov collection |
Ryoichi SADANAGA and Michiaki BUNNO (1974) THE WAKABAYASHI MINERAL COLLECTION Bulletin No. 7 The University Museum, The University of Tokyo | |
| Alfredo Petrov collection |
| (Special exhibition organized by Masutomi Museum at Osaka show, April-May 2006) |
| Chishitsu Chousajo (1902) |
| Dr Yohachiro Okamoto (1876-1960) collection (curated by the Geological Survey of Japan) |
Alfredo Petrov collection | |
| Fossa Magna Museum specimens (Itoigawa, Japan) |
| Chishitsu Chousajo (1902) |
| Alfredo Petrov, field collected specimens |
Alfredo Petrov collection | |
| Alfredo Petrov, field trip observations, December 2010 |
| Chishitsu Chousajo (1902) |
Kazakhstan | |
| Igor Savin data |
| www.pegmatite.ru |
| Evseev, A. A. (1995) Kazaknstan and Middle Asia. A brief Mineralogical Guide. World of Stone 8:24-30 |
Bryksina, N. A., Halden, N. M., Ripinen, O. I., & Reverdatto, V. V. (2001, January). Trace Elements in Agate from the Pavlodar Region, Kazakhstan. In DOKLADY EARTH SCIENCES C/C OF DOKLADY-AKADEMIIA NAUK (Vol. 376, pp. 114-117). INTERPERIODICA PUBLISHING. | |
Kenya | |
| [var: Blue Lace Agate] |
Lesotho | |
Herman Du Plessis specimens. | |
Madagascar | Mark Rheinberger photo and specimen |
| [var: Onyx] Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871 |
| Marketa Tumova collection |
| Natural History Museum Vienna collection |
Mark Rheinberger photo and specimen | |
Mexico | |
| Zenz, Johann; Agates, pg.430-438 |
Zenz, Johann; Agates, pg. 463-467; Zenz, Johann; Agates, pg. 463-467 | |
| [var: Laguna Agate] Mineralogical Record (2008): 39(6): 69-88. |
[var: Laguna Agate] Mineral Record (208) 39:6 pp69-88 | |
[var: Laguna Agate] Mineralogical Record 39:6 pp69-88 | |
[var: Laguna Agate] Mineralogical Magazine, October 2006, Vol. 70(5), pp. 485–498; [www.minerals.net] | |
Zenz, Johann; Agates, pg: 443-461 | |
Don Volkman collection | |
| Zenz, Johann; Agates, pg. 398-403 |
| Zenz, Johann; Agates, pg419-429 |
| |
Karl Volkman | |
| Collection of Paul Brandes based on label from Dwarves Earth Treasures |
| Mat Dillon, personal communication, Rock Currier |
| Alfredo Petrov specimen. |
| Brian Cowger |
Mongolia | Christian Bracke Collection. |
| Pavel M. Kartashov data |
Morocco | |
| Albert Russ |
| Amir Akhavan Collection |
| https://sites.google.com/site/mineralienmuseumguntersblum/bildergalerien/achate/afrika/marokko/agouim |
Mozambique | |
| Martins da Pedra collection & photo |
| Rui Nunes collection |
Namibia | |
| [var: Blue Lace Agate] http://www.idexonline.com/portal_FullMazalUbracha.asp?id=27923 |
New Zealand | |
| Krupp, R.E., Seward, T.M. (1987) The Rotokawa Geothermal System, New Zealand; An Active Epithermal Gold-Depositing Environment. Economic Geology 82:5, 1109-1129. |
| Judy Rowe Collection |
| CF Johnson collection; Collected by CF Johnson |
| Rough Country minerals specimens |
| http://www.craiggems.co.nz |
| NZ Gemstones J Thornton |
| http://www.craiggems.co.nz |
| J. Thornton. Zeolites and other minerals on Middlehurst Station. Essence of Microscope (NZ) |
| https://sites.google.com/site/theotagorockandmineralclub/field-trips/fossicking-sites/nimmo-s-swamp--- |
Norway | |
| Knut Eldjarn collection & photo |
| Larsen, K. E. & Larsen, S. (2005): Mineralforekomster på Vestfold lavaplatå. Del 2: I B1-nivåets basalter. Norsk Bergverksmuseum skrift 30, 41-57 |
Panama | |
| Freehan, P. A. (1936) Agates in the Canal Zone: Rocks and Minerals, v. 11, no. 9, p. 170, 171. |
Papua New Guinea | |
| http://aufa.tripod.com/geology/port_moresby.html. |
Paraguay | |
| Alfredo Petrov field observations, 1989. |
Peru | |
| Petersen, G.G. (1970) Minería y metalurgía en el antiguo Peru. Arqueologicas, 12 140pp. (Museo Nacional de Antropologia y Arqueologia, Lima) |
| Petersen, G.G. (1970) Minería y metalurgía en el antiguo Peru. Arqueologicas, 12 140pp. (Museo Nacional de Antropologia y Arqueologia, Lima) |
| Petersen, G.G. (1970) Minería y metalurgía en el antiguo Peru. Arqueologicas, 12 140pp. (Museo Nacional de Antropologia y Arqueologia, Lima) |
| Petersen, G.G. (1970) Minería y metalurgía en el antiguo Peru. Arqueologicas, 12 140pp. (Museo Nacional de Antropologia y Arqueologia, Lima) |
| J.Hyrsl (2012) Gemstones of Peru, p. 40 |
| Petersen, G.G. (1970) Minería y metalurgía en el antiguo Peru. Arqueologicas, 12 140pp. (Museo Nacional de Antropologia y Arqueologia, Lima) |
Petersen, G.G. (1970) Minería y metalurgía en el antiguo Peru. Arqueologicas, 12 140pp. (Museo Nacional de Antropologia y Arqueologia, Lima) | |
| Petersen, G.G. (1970) Minería y metalurgía en el antiguo Peru. Arqueologicas, 12 140pp. (Museo Nacional de Antropologia y Arqueologia, Lima) |
| Petersen, G.G. (1970) Minería y metalurgía en el antiguo Peru. Arqueologicas, 12 140pp. (Museo Nacional de Antropologia y Arqueologia, Lima) |
Poland | |
| Eligiusz Szełęg private collection |
| Eligiusz Szełęg collection |
Dawid Godziewski; Dawid Godziewski | |
Knut Edvard Larsen- Observed in field during Field Trip -1 st Mindat.org conference july 2011 | |
Dawid Godziewski | |
| field work and sampling, examination of thin sections using the standard petrographic microscope, determination of mineral chemistry using the electron microprobe (EDS, WDS), cathodoluminescence observations (CL) and X-ray diffraction determinations (XRD) |
| Dawid Godziewski |
Dawid Godziewski | |
David Godziewski | |
Dawid Godziewski | |
Observed in field during 1 Mindat.org conference, Fieldtrip 13.07.2011 | |
Found by students University of Wroclaw per Dagmara Lesiow. | |
J. Witkowski | |
Praszkier, T., Bogdanski, J. & Siuda, R. (2011): Agates from Płóczki Górne, Lower Silesia, Poland. Warszawa 2011,Published by Spirifer Geological Society. 200p. | |
David Godziewski | |
Dawid Godziewski | |
| David Godziewski |
| David Godziewski |
Portugal | |
| Museu Geológico de Lisboa collection |
António Manuel Ináçio Martins and Rui Nunes' collection. Brak-Lamy, JOSÉ "Novos elementos para o conhecimento do complexo basaltico dos arredores de Lisboa." Bol. Soc. Geol. Portugal 12.1–2 (1956): 39-76. | |
Brak-Lamy, José: "Novos elementos para o conhecimento do complexo basáltico dos arredores de Lisboa", Boletim da Sociedade Geológica de Portugal, 12.1–2 (1956): 39-76. | |
| Martins de Praeda |
Romania | |
| Ferenc Kristály (2006) Zeolites from Copaceni, Romania. GEODA,XVI/2, 34-36 |
| Carpathian Journal of Earth and Environmental Sciences, October 2010, Vol. 5, No. 2, p. 89 - 99 |
Primics, G. (1886): Das Vorkommen der derben Quarzvarietäten bei Tekerő. Földtani Közlöny, 16, 347-353. | |
| Marinel Kovacs, Alexandrina Fülöp, 2003, Neogene volcanism in Gutâi Mts., (Eastern Carpathians). A Review. Studia Universitatis, Babeș-Bolyai, Geologia, vol.48, 2003, p.3-16 |
| Jude Radu (2010). An overview of the Oaș and Gutâi Neogene Metallogenetic District. Romanian Journal of Mineral Deposits, Mineral Resources of Carpathians area. 10th-12th September 2010, Baia Mare, Romania. vol 84, p.94-95 |
Sándor Szakáll: Minerals of the Carpathians | |
Russia | |
| Igor Savin data |
| Расческин Е. "Сполохи Севера. Восточная Сибирь глазами геолога", Студия ГРАFO, 2004 г., стр. 128 - 134 (in Rus.) |
| Igor Savin data |
| Rascheskin EV Flashes of the North. Eastern Siberia through the eyes of a geologist. - Ekaterinburg: GRAFO Studio, 2004. |
| Igor Savin data |
| (2014) 12th International Platinum Symposium p320 |
| Igor Savin data |
Pekin, A.A. [Пекин, А.А.] (2010) Minerals of Moscow [Минералы Москвы]. Rossiiskii Khimicheskii Zhurnal [Российский Химический Журнал], 54, 2, 115-123 (in Russian); Pekin, A.A. (2011) Minerals of Moscow. Russian Journal of General Chemistry, 81, 6, 1381-1391. | |
Pekin, A.A. [Пекин, А.А.] (2010) Minerals of Moscow [Минералы Москвы]. Rossiiskii Khimicheskii Zhurnal [Российский Химический Журнал], 54, 2, 115-123 (in Russian); Pekin, A.A. (2011) Minerals of Moscow. Russian Journal of General Chemistry, 81, 6, 1381-1391. | |
Pekin, A.A. [Пекин, А.А.] (2010) Minerals of Moscow [Минералы Москвы]. Rossiiskii Khimicheskii Zhurnal [Российский Химический Журнал], 54, 2, 115-123 (in Russian); Pekin, A.A. (2011) Minerals of Moscow. Russian Journal of General Chemistry, 81, 6, 1381-1391. | |
| Pavel M. Kartashov data; www.pegmatite.ru; Godovikov, A.A., Ripinen, O.I., Motorin, S.G. [Годовиков, А.А., Рипинен, О.И., и Моторин, С.Г.] (1987) Agates [Агаты]. Nedra [Недра], Moscow, 368 pp. (in Russian); Evseev, A. A. [Евсеев, А.А.] (2004) Atlas of the World for mineralogist [Атлас мира для минералога]. Ecost Association [Ассоциация Экост], Moscow, page 23 (in Russian). |
http://www.pegmatite.ru/My_Collection/mn/agate_lg.jpg; Godovikov, A.A., Ripinen, O.I., Motorin, S.G. [Годовиков, А.А., Рипинен, О.И., и Моторин, С.Г.] (1987) Agates [Агаты]. Nedra [Недра], Moscow, 368 pp. (in Russian); Volarovich, G.P. [Воларович, Г.П.] (1991) Colored stones of Podmoskovye [Цветные камни Подмосковья]. Nedra [Недра], Moscow, 208 pp. (in Russian); Feklichev, V.G. [Фкеличев, В.Г.] (1998) Mineral diversity of the Moscow region [Минералогическое разнообразие Подмосковья]. Sredi Mineralov (Almanac) [Среди минералов (альманах)], 103-112 (in Russian). | |
| Polekhovsky, Y.S., and Punin, Y.O. (2008): Geology of Ore Deposits 50(7), 642-646. |
| Igor Savin data |
| Igor Savin data |
| Igor Savin's data |
Igor Savin data | |
| Igor Savin data |
Igor Savin data | |
Slovakia | |
| Ďuďa R.,Kotuľak P., Káňa R., 1993: Bergbau und Mineralien von Banská Štiavnica (Schemnitz), Slowakei. Emser Hefte, 14, 3, 1-70, Haltern |
| S.ŠIMKO |
| Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590 |
| Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k |
| Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k |
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k | |
- Ďuďa R., 1993: Die mineralien der Gold und Silber - Lagersttäte von Kremnitz (Kremnica) in der Slowakei. Mineralien Welt,5, 20-32. | |
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590 | |
| Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590 |
| Ozdín D. & Števko M., 2010: Unikátny výskyt achátov v serpentinizovaných peridotitoch v Dobšinej. Minerál, 18, 4, 331-335. |
| Kaličiak, M., Ďuďa, R., 1996: Geolgický vývoj, stavba a metalogenéza neovulkanitov na Východnom Slovensku. Manuskript, Archív Geofond, Bratislava, 83p |
Pauliš P., Ďuďa R., 2002: Nejzajimavejší mineralogická nalezište Slovenska. Kuttna, Kutná Hora, 134p. | |
Ozdín D., Števko M., Bačo P., Tuček P. (2011): Súčasný stav a nové poznatky o výskytoch ametystu na Slovensku. Minerál, 19, 6, 517-534. (in Slovak) | |
Matúš Škutka | |
| Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k |
| Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k |
Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p | |
| Koděra a kol., Topografická mineralógia Slovenska |
| Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590 |
| S.Šimko |
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k | |
Koděra M., Andrusovová-Vlčeková G., Belešová O., Briatková D., Dávidová Š., Fejdiová V., Hurai V., Chovan M., Nelišerová E., Ženiš P., 1986-1990: Topografická mineralógia Slovenska. I-III. Veda, Bratislava, 1592 p. (in Slovak) | |
Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p | |
South Africa | Cairncross, B. and Dixon, R., (1995), Minerals of South Africa. |
| Minerals of South Africa |
| Minerals of South Africa |
| Rocks & Min.: 21:130. |
| Cairncross, B. and Dixon, R., (1995), Minerals of South Africa. The Geological Society of South Africa: 157 |
| Minerals of South Africa |
Minerals of South Africa | |
| Minerals of South Africa |
| PMPB Meulenbeld collection |
| |
Cairncross, B. (2004) Rocks and Minerals of Southern Africa. ; Cairncross, B. (2004) Field Guide to Rocks and Minerals of Southern Africa. | |
Wilson, M. G. C., Henry, G., & Marshall, T. R. (2006). A review of the alluvial diamond industry and the gravels of the North West Province, South Africa. South African Journal of Geology, 109(3), 301-314. | |
| Wilson, M. G. C., Henry, G., & Marshall, T. R. (2006). A review of the alluvial diamond industry and the gravels of the North West Province, South Africa. South African Journal of Geology, 109(3), 301-314. |
Martins da Pedra collection | |
Spain | |
| Calvo, M. (2016). Minerales y Minas de España. Vol. VIII. Cuarzo y otros minerales de la sílice. Escuela Técnica Superior de Ingenieros de Minas de Madrid. Fundación Gómez Pardo. 399 págs. |
José Zendrera collection | |
A. Arribas, F. Hernández, M. A. Fernández Périz, J. Gröbner, G. Leal (2005): Rodalquilar - El oro del capo del ágata. BOCAMINA 15, 12-88. | |
| - Betz, V. (2009) Der Westen von Gran Canaria - ein Fundbericht, Lapis 34, Heft 9, 25-36 |
| - Betz, V. (2009) Der Westen von Gran Canaria - ein Fundbericht, Lapis 34, Heft 9, 25-36 |
| Casanova Honrubia, Juan Miguel & Canseco Caballé, Manuel, 2002, Minerales de la Comunidad Valenciana : 237 p. Ed. Caja de Ahorros del Mediterráneo. Alicante |
Sri Lanka | |
| Müller, H. D. & Jahn, S. (2006): Kolonne bei Embilipitiya auf Sri Lanka-eine interessante Fundstelle für Olivin, Hornblende und Spinelle. Mineralien Welt 17 (4), 44-51. |
Sweden | |
| http://www2.orsa.se/turism/stenensrike/skyltar/22_svartviksb.pdf |
http://www2.orsa.se/turism/stenensrike/skyltar/22_svartviksb.pdf | |
| sumarized list by T. Svensson |
Switzerland | |
| Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 106. |
| Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 106. |
Tajikistan | |
| Evseev, A. A. (1995) Kazaknstan and Middle Asia. A brief Mineralogical Guide. World of Stone 8:24-30 |
Turkey | |
| Mayer, D. (2013) Exquisite Agates. Bode Verlag, 424 pages. Hatipoglu, M. (2016) The Ankara agates from Turkey. Revista Kasmera, 44:1, 311-327. |
| Ferdinando Giovine specimen |
UK | |
| Paul De Bondt collection; |
| Hall, T.M. (1868): The Mineralogist's Directory. Edward Stanford (London), 168 pp.; Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), 108 pp. |
| Majendie, A. (1818): Transactions of the Royal Geological Society of Cornwall 1, 32-37. |
Phillips, W. (1823): An Elementary Introduction to the Knowledge of Mineralogy, 3rd ed. William Phillips (London), 535 pp.; Hogg, T. (1825): A Manual of Mineralogy. Polyblank Publishers (London), p. 193; Hall, T.M. (1868): The Mineralogist's Directory. Edward Stanford (London), 168 pp.; Collins, J.H. (1892): A Handbook to the Mineralogy of Cornwall and Devon, 2nd ed., D. Bradford Barton Ltd. (Truro, UK), 108 pp. | |
| Paul De Bondt collection |
| Paul De Bondt collection |
| Hogg, T. (1825): A Manual of Mineralogy. Polyblank Publishers (London), p. 195; Hall, T.M. (1868): The Mineralogist's Directory. Edward Stanford (London), 168 pp. |
| Hall, T.M. (1868): The Mineralogist's Directory. Edward Stanford (London), 168 pp.; Collins, J.H. (1892): "A Handbook to the Mineralogy of Cornwall and Devon", 2nd ed., D. Bradford Barton Ltd. (Truro, UK), 108 pp. |
| Alysson Rowan Collection |
| Mark J E - Notes on teh Geology of teh English Lake District Proceedings of teh Geologists' Assoc. Vol 16 No. 9, Aug 1900 p.455 |
Ford, T., A. Sarjeant & M. Smith (1993): The minerals of the Peak district of Derbyshire. UK Jour. Mines & Minerals 13, 16-55. | |
| Ford, T., A. Sarjeant & M. Smith (1993): The minerals of the Peak district of Derbyshire. UK Jour. Mines & Minerals 13, 16-55. |
| Bernie Millington Collection |
| No reference listed |
| Hall, T.M. (1868): The Mineralogist's Directory. Edward Stanford (London), 168 pp. |
| Hall, T.M. (1868): The Mineralogist's Directory. Edward Stanford (London), 168 pp. |
| Crawford, N. & Anderson, D. (2010) Scottish Agates, Lapidary Stone Publications Wiltshire. |
| Mineralogical Magazine 70(5), 485–498 (2006) |
| Paul Render |
| Paul Render |
| BMS Database; UKJMM Vol.29 p.11 |
| Paul Render |
| Paul Render |
| Phillips, W. (1823): An Elementary Introduction to the Knowledge of Mineralogy, 3rd ed. William Phillips (London), 535 pp. |
| Phillips, W. (1823): An Elementary Introduction to the Knowledge of Mineralogy, 3rd ed. William Phillips (London), 535 pp. |
[var: Eye Agate] | |
| No reference listed |
No reference listed | |
No reference listed | |
| Mineralogical Magazine, October 2006, Vol. 70(5), pp. 485–498 |
| No reference listed |
| Mineralogical Magazine, October 2006, Vol. 70(5), pp. 485–498 |
| UK Journal of Mines and Minerals, No. 14 p17-20 |
Mineralogical Magazine, October 2006, Vol. 70(5), pp. 485–498 | |
| No reference listed |
No reference listed | |
[Specimen in the Natural History Museum, London] | |
| [Specimen in the Natural History Museum, London] |
No reference listed | |
| Mineralogical Magazine, October 2006, Vol. 70(5), pp. 485–498 |
| No reference listed |
| No reference listed |
| No reference listed |
| No reference listed |
No reference listed | |
| No reference listed |
No reference listed | |
No reference listed | |
No reference listed | |
| No reference listed |
| J.Ralph visual identification 2009. |
Mineralogical Magazine, October 2006, Vol. 70(5), pp. 485–498 | |
| Phillips, W. (1823): An Elementary Introduction to the Knowledge of Mineralogy, 3rd ed. William Phillips (London), 535 pp. |
No reference listed | |
| No reference listed |
| No reference listed |
| Personal collection |
| No reference listed |
No reference listed | |
No reference listed | |
[Specimen in the Natural History Museum, London] | |
| No reference listed |
| No reference listed |
No reference listed | |
| No reference listed |
| No reference listed |
Personal collection | |
[Specimen in the Natural History Museum, London] | |
No reference listed | |
| Personal collection |
Personal collection | |
| Personal collection |
| No reference listed |
| No reference listed |
Ukraine | |
| Dobrovolskaya T.I., Polkanov Y.A. The Paleovolcano Fiolent. Giude (2004) - Simferopol, 2004, 19 p. (in Russ.) Oleg V. Zinchenko at al. (2008).The mineralogy of seasonal sulfates in the cape Fiolent - Zapiski Ukrainskogo Mineralogichnogo Tovaristva (Proceeding Ukrainian Mineralogical Society), 2008, #5, p. 75-83 (in Ukr.) |
Hervé Lethier (2014) APPRAISAL REPORT Karadag Strict Nature Reserve (Ukraine). Convention on the Conservation of European Wildlife and Natural Habitats | |
| - Dvoichenko P.A. The minerals of Crimea (1914) - Zapiski Krymskogo obshchestva estestvoispytatelei (Proceeding of the Crimea Society of Naturalistes), 1914, vol. 4, p. 1-208 (Rus.) - Popov S.P. Mineralogy of the Crimea (1938). - M.-L., AN SSSR, 1938, 352 p. (Rus.) |
| A. Tischenko. Minerals of the Crimea - World of stones, 1996, #9, p. 9-18 |
Uruguay | |
| Giulio Morteani, Y. Kostitsyn, C. Preinfalk, H. A. Gilg (2010) The genesis of the amethyst geodes at Artigas (Uruguay) and the paleohydrology of the Guaraní aquifer: structural, geochemical, oxygen, carbon, strontium isotope and fluid inclusion study. International Journal of Earth Sciences 99:927-947 |
L.C. Duarte, L.A. Hartmann, M.A.Z. Vasconcellos, J.T.N. Medeiros, T. Theye (2009) Epigenetic formation of amethyst-bearing geodes from Los Catalanes gemological district, Artigas, Uruguay, southern Paraná Magmatic Province. Journal of Volcanology and Geothermal Research 184:427–43 | |
USA | |
| Mineralogy of Alabama Geol Surv Ala. Bull 120 |
| Rocks & Min 70:5 pp 320-333 |
| Mineralogy of Alabama Geol Surv Ala. Bull 120 |
| Mineralogy of Alabama Geol Surv Ala. Bull 120 |
Gems and Minerals of America- Jay Ellis Ransom-1974 | |
Mineralogy of Alabama Geol Surv Ala. Bull 120 | |
Mineralogy of Alabama Geol Surv Ala. Bull 120 | |
Rocks & Min 70:5 pp 320-333 | |
| Mineralogy of Alabama Geol Surv Ala. Bull 120 |
Rocks & Min 70:5 pp 320-333 | |
| Mineralogy of Alabama Geol Surv Ala. Bull 120 |
Mineralogy of Alabama Geol Surv Ala. Bull 120 | |
Rocks & Min 70:5 pp 320-333 | |
| Dimick, A. 1963 Southwest--Some of the Top Gem Locations of Eastern Arizona - Western New Mexico: Lapidary Journal, v. 17, no. 1, p. 156-163. |
Dennis Tryon | |
Dennis Tryon collection; Trout, P. W. 1976 The desert field trip: Lapidary Journal, v. 30, no. 10, p. 2266, 2282. | |
| Van King |
| P Cristofono collection, 2007 |
| P Cristofono collection, 2007 |
| Van King |
| MRDS database Dep. ID #10065037, MRDS ID #TC40027. |
| Patrisha Renz |
| P Cristofono collection |
| Simpson, B., and Mitchell, J. R. 1989 Gem Trails of Arizona: Gem Guides Book company, Baldwin Park, California, 124 p. |
| MRDS database Dep. ID #10023617, MRDS ID #I000805. |
| MRDS database Dep. ID #10234773, MAS ID #0040110142. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 348; Dimick, A. (1957), Arizona's Peloncillo agate, Gens & Minerals: 242: 24-27. |
| Hunter, R. 1977 East of the sunshine but west of the moon: Lapidary Journal, v. 30, no. 12, p. 2834-2839 |
Bearce, 2006. Minerals, Fossils and Fluorescents of Arizona | |
| [var: Agate-Jasper] Zeitner, J. C. 1964 Treasures of the Desert: Lapidary Journal, v. 17, no. 11, p. 1082-1089. |
Blair, 1992. Rockounding Arizona, p.149. | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 348; Richards, R.A. (1956a), Arizona agate hunting, Rocks&Min.: 31: 279-280. |
| Simpson, B., and Mitchell, J. R. 1989 Gem Trails of Arizona: Gem Guides Book company, Baldwin Park, California, 124 p. |
Blair, 1992. Rockhounding Arizona, pp 135-136. | |
Getsinger, F. 1961 Agate in Arizona: Lapidary Journal, v. 15, no. 3, p. 316-318. | |
| Blair, 1992. Rockhounding Arizona, p.68. |
| Blair, 1992. Rockhounding Arizona. |
Dennis Tryon collection | |
| Pabian R. Agate Lexicon UNL Database |
Pierce, H.W. (1969), Gem materials, in USGS, AZBur. Mines, and US Bur. of Reclamation, Mineral and Water resources of Arizona: AZ Bur. Mines Bull. 180 & USGS Bull. 871. | |
| P Cristofono collection, 2008 |
Mitchell, 2001: Gem Trails of Arizona, p.102 | |
Mitchell, 2001: Gem Trails of Arizona, p.104. | |
P Cristofono collection, 2008 | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 348. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 348; Guild, F.N. (1905), Petrography of the Tucson Mountains, Amer. Jour. Sci.: 20: 313; Galbraith, F.W. & Brennan (1959), Minerals of AZ: 85. |
MRDS database Dep. ID file #10098118, MRDS ID #I000806. | |
| MRDS database Dep. ID #10113383, MAS ID #0040210684. |
| MRDS database Dep. ID #10113266, MAS ID #0040250131. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 348; Richards, R.A. (1956a), Arizona Agate Hunting, Rocks & Min.: 31: 279-280. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 348; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 85. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 348; Richards, R.A. (1956a), Arizona agate hunting, Rocks & Minerals: 31: 279-280. |
Mitchell, 2001: Gem Trails of Arizona, p.44. | |
Gerry Blair, Rockhounding, Arizona, 2nd edition, pg 133 | |
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 348; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 85. | |
| Blair, 1992. Rockhounding Arizona, p.157. |
| Arkansas Geological Survey |
| http://www.gamineral.org/forrest-city-copperus-creek.htm |
| R&M 70:3 pp 154-170 |
Arkansas Geological Survey | |
| Rocks & Min.: 63:115. |
Arkansas Geological Commission | |
| http://www.gamineral.org/forrest-city-crow-creek.htm |
| Jones, F.T. (1952) Iris Agate. American Mineralogist: 37: 578-587; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 344. |
| USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10028681. |
| Johnson, H. C. 1971 Western Gem Hunters Atlas, 11th Edition: Cy Johnson & son, Susanville, Calif., 95 p. |
| Butler, 1995. Rockhounding California |
| MacFall, 1951. Gem Hunter's Guide, 1st ed. |
Pabian Agate Lexicon database | |
| Strong, M. F. 1971a Desert Gem Trails. A Field Guide to the Gems and Minerals of the Mojave and Colorado Deserts: Second Revised Edition, Gem Guides Book Co., Baldwin Park, CA, 80 p. |
| Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 345. |
Amir Akhavan Collection. | |
Henry, D.J. (1952), Gem Trail Journal, 2nd. edition, Long Beach, Calif., 93 pp.: 72-79; Ransom, J.E. (1955) Arizona gem trails and the Colorado Desert. Mineralogist Publishing Co., Portland, Oregon: 18-22; Vargas, G. and Vargas, M. (1960) Wiley Well. Desert Magazine: 23(11): 32-34; Morton, P.K. (1977) Mines and mineral resources of Imperial County, California. California Division of Mines and Geology County Report 7, 104 pp.: 39-40; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 345; Butler, 1995. Rockhounding California, p.37. | |
| Pabian Agate Lexicon database |
| Joseph Freillich photo |
| Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report No. 1, 370 pp.: 91-92; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 345.; Strong, M. F. 1971a Desert Gem Trails. A Field Guide to the Gems and Minerals of the Mojave and Colorado Deserts: Second Revised Edition, Gem Guides Book Co., Baldwin Park, CA, 80 p. |
| [var: Agate-Jasper] Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report No. 1, 370 pp.: 91-92; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 346. |
| Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report No. 1, 370 pp.: 91-92; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 345-346. |
| Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report No. 1, 370 pp.: 91-92; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 346.; MacLachlan, D. 1950 The Greatest Collecting Area: Lapidary Journal, v. 4, no. 2, p. 96-100.; Berkholz, M. F. 1962b Map |
| Chenard, G., and Chenard, D. 1962 Kern County Agate: Lapidary Journal, v. 16, no. 1, p. 106-107. |
| Johnson, H. C. 1971 Western Gem Hunters Atlas, 11th Edition: Cy Johnson & son, Susanville, Calif., 95 p.; Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report No. 1, 370 pp.: 91-92; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 345. |
| Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report 1, 370 pp.: 91-92; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 346. |
| Troxel, Bennie Wyatt & P.K. Morton (1962), Mines and mineral resources of Kern County, California: California Division Mines & Geology County Report No. 1, 370 pp.: 91-92; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 345. |
| Butler (1995), Rockhounding California: 155. |
Butler, 1995. Rockhounding California, p.158. | |
Robertson, D. 1970 Collecting in Tuledad County: Lapidary Journal, v. 24, no. 5, p. 737-739. | |
| Oakeshott, Gordon Blaisdell (1958) Geology and mineral deposits of San Fernando quadrangle, Los Angeles County, California. California Division of Mines Bulletin 172, 147 pp.: 128; Sharp, W.E. (1959) Minerals from Los Angeles County, California. Printed privately, Los Angeles, California: 47; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 347. |
| Berkholz, M. F. 1962b Map |
| Schwartz in Rocks and Minerals, v. 19, no. 10, p. 311. |
Rocks & Minerals (1943): 18: 243. | |
| Irelan, William, Jr. (1890b), Tenth annual report of the State Mineralogist, California Mining Bureau Report 10, 983 pp. |
| MarekC field collection 2014 |
www.mineralsocal.org | |
Pelletier, 1962. Mineral Species & Localities of Marin County | |
| Sterrett, Douglas Bovard (1909), Precious stones: Mineral Resources U.S., 1908, part 2: 807; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 317; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 347. |
| Strong, M. F. 1971a Desert Gem Trails. A Field Guide to the Gems and Minerals of the Mojave and Colorado Deserts: Second Revised Edition, Gem Guides Book Co., Baldwin Park, CA, 80 p. |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
Strong, M. F. 1971a Desert Gem Trails. A Field Guide to the Gems and Minerals of the Mojave and Colorado Deserts: Second Revised Edition, Gem Guides Book Co., Baldwin Park, CA, 80 p. | |
| Perry, L. E. 1961 Varied agate types and locations in California: Lapidary Journal, v. 15, no. 3, p. 308-314. |
Perry, L. 1984 Wiley Well revisited: Gems and Minerals, no. 565, p. 67-71.; Perry, L. E. 1961 Varied agate types and locations in California: Lapidary Journal, v. 15, no. 3, p. 308-314. | |
| Bruce Ueno blog - www.mindat.org/blog.php/1416/loc-87962.html |
| Strong, M. F. 1966c Agate Hill in the Turtle Mountains: Gems and Minerals, no. 343, p. 14-16. |
| |
| Chapman, E. W. 1937 Barstow desert localities described: The Mineralogist, v. 5, no. 1, p. 9-10, 111-114. Barstow Syncline, Rosamond Section in Antelope Valley and Red Rock Canyon, Upper Mio-L.Plio. Coral chalcedony, Afton Canyon, Myrickite, Opal Mt E of Hinkley, CA, Pb Pipe Spr, Black Canyon |
Robert C. Beste, PG (2005) A Location Guide for Rock Hounds in the United States. 3rd ed. Hobbit Press, St. Louis. 149p. | |
| Perry, L. E. 1961 Varied agate types and locations in California: Lapidary Journal, v. 15, no. 3, p. 308-314. |
Perry, L. E. 1961 Varied agate types and locations in California: Lapidary Journal, v. 15, no. 3, p. 308-314. | |
| |
| Perry, L. E. 1961 Varied agate types and locations in California: Lapidary Journal, v. 15, no. 3, p. 308-314. |
Hutter's, Lapidary Journal, v. 10, no. 1, p. 65 | |
| Lapidary Journal, 1954 Rock Hound Buyer's Guide, p. 135. |
| Joseph Freillich photo |
Krissa Klein collection; Butler, 1995. Rockhounding California, p.124. [as "moonstone"] | |
| |
| Butler, 1995. Rockhounding California, p.135. |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
| Minerals of Colorado (1997) E.B. Eckel |
| Minerals of Colorado (1997) E.B. Eckel |
| Minerals of Colorado (1997) E.B. Eckel |
| Minerals of Colorado (1997) E.B. Eckel |
| "Minerals of Colorado, updated & revised", p. 14, by Eckel, Edwin B., 1997 |
| Minerals of Colorado (1997) E.B. Eckel |
| Pearl, 1958. Colorado Gem Trails & Mineral Guide |
"Minerals of Colorado, updated & revised", p. 15, by Eckel, Edwin B., 1997 | |
Minerals of Colorado (1997) E.B. Eckel | |
Minerals of Colorado (1997) E.B. Eckel | |
Minerals of Colorado (1997) E.B. Eckel | |
Minerals of Colorado (1997) E.B. Eckel | |
| Minerals of Colorado (1997) E.B. Eckel |
Minerals of Colorado (1997) E.B. Eckel | |
Minerals of Colorado (1997) E.B. Eckel | |
| Minerals of Colorado (1997) E.B. Eckel |
| Minerals of Colorado (1997) E.B. Eckel |
| Minerals of Colorado (1997) E.B. Eckel |
Minerals of Colorado (1997) E.B. Eckel | |
| Minerals of Colorado (1997) E.B. Eckel |
Minerals of Colorado (1997) E.B. Eckel | |
Minerals of Colorado (1997) E.B. Eckel | |
Minerals of Colorado (1997) E.B. Eckel | |
| Rocks & Minerals 79:5 pp316-324 |
Minerals of Colorado (1997) Eckel, E. B. | |
| Maneotis: 2009 |
Rocks and Minerals, Simon & Schuster 1978 | |
| Minerals of Colorado (1997) E.B. Eckel |
Matthew Crystalman | |
Minerals of Colorado (1997) E.B. Eckel | |
| Minerals of Colorado (1997) E.B. Eckel |
| Minerals of Colorado (1997) E.B. Eckel |
| Minerals of Colorado (1997) E.B. Eckel |
| Minerals of Colorado (1997) Eckel, E. B. |
Minerals of Colorado (1997) Eckel, E. B. | |
Minerals of Colorado (1997) E.B. Eckel | |
| Minerals of Colorado (1997) E.B. Eckel |
| Minerals of Colorado (1997) E.B. Eckel |
| Minerals of Colorado (1997) E.B. Eckel |
Minerals of Colorado (1997) E.B. Eckel | |
Minerals of Colorado (1997) E.B. Eckel | |
| Pearl, 1958. Colorado Gem Trails & Mineral Guide |
http://www.buenavistagemworks.com/agates/fairburn.htm | |
| Januzzi, Ronald E. (1976): Mineral Localities of Connecticut and Southeastern New York State. The Mineralogical Press, Danbury. |
Gems and Minerals of America- Jay Ellis Ransom-1974 | |
| Percival, James Gates. (1822), Notice of the locality of sulphate of barytes from which a specimen was analysed by Mr. G. T. Bowen; and various other mineral localities in Berlin, Conn., American Journal of Science: s. 1, 5: 42-45. |
Gems and Minerals of America - Jay Ellis Ransom-1974 | |
| Orcutt, Rev. Samuel. (1878), History of Torrington, Connecticut. J. Munsell, Albany: 174-179. |
Samuel Robinson (1825) A Catalogue of American Minerals, with their localities. Boston | |
| Januzzi (1976) Mineral Localities of Connecticut & Southeastern New York State |
| Januzzi (1959); Januzzi (1976) |
Samuel Robinson (1825) A Catalogue of American Minerals, with their localities. Boston | |
| J Zolan Collection |
| Rocks & Min.: 70:381 |
| shepard collection |
| Bill Barrett collection |
| Harold Moritz collection |
| John Burnham |
| MacFall (1975) Gem Hunter's Guide |
Gems and Minerals of America- Jay Ellis Ransom-1974 | |
[var: Agatized coral] Charlie Smith's Collection | |
| Zeitner (1968) Appalachian Gem Trails; Ernest W. Bishop and Lawrence Dee Jr. (1961) Rocks and minerals of Florida. Florida Geological Survey Special Publication no. 8 |
Gems and Minerals of America- Jay Ellis Ransom-1974 | |
Gems and Minerals of America- Jay Ellis Ransom-1974 | |
| M.B. Smith, 1975, Withlacoochee River Agate: Lapidary Journal, v. 29, no. 8, p. 1590. |
Graves, Henry (1966) in The Agates of North America (San Diego: Lapidary Journal Inc.) | |
| Rocks & Min.: 14:78. |
Rocks & Min.: 14:77-78. | |
Gems and Minerals of America- Jay Ellis Ransom-1974 | |
| |
Gems and Minerals of America- Jay Ellis Ransom-1974 | |
| Gems and Minerals of America-Jay Ellis Ransom-1974 |
| Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92 |
| Hudson, S. (1982) Those Georgia Agates: Lapidary Journal, v. 36, no. 1, p. 158-165. Summerville Agate, River Road Agate, Fitzgerald Agate, Briar Creek Agate, Ringgold Chert, Chattahoochee County Agate, Flint River Jasper, Jefferson County Agate, Warm Springs Agate, Upatoi Creek Agate. |
| Rocks & Min.: 64:187. |
Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92 | |
| Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92 |
Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92 | |
Gems and Minerals of America- Jay Ellis Ransom-1974 | |
Gems and Minerals of America- Jay Ellis Ransom-1974 | |
Gems and Minerals of America- Jay Ellis Ransom-1974 | |
Gems and Minerals of America- Jay Ellis Ransom-1974 | |
Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92 | |
Gems and Minerals of America- Jay Ellis Ransom-1974 | |
| Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92 |
Gems and Minerals of America- Jay Ellis Ransom-1974 | |
| Hudson, S. (1982) Those Georgia Agates: Lapidary Journal, v. 36, no. 1, p. 158-165. Summerville Agate, River Road Agate, Fitzgerald Agate, Briar Creek Agate, Ringgold Chert, Chattahoochee County Agate, Flint River Jasper, Jefferson County Agate, Warm Springs Agate, Upatoi Creek Agate. |
| Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92 |
Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92 | |
Gems and Minerals of America- Jay Ellis Ransom-1974 | |
| Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92 |
| Robert C. Beste, PG (2005) A Location Guide for Rock Hounds in the United States. 3rd ed. Hobbit Press, St. Louis. 149p. |
| |
| Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated |
| Robert C. Beste, PG (2005) A Location Guide for Rock Hounds in the United States. 3rd ed. Hobbit Press, St. Louis. 149p. |
Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated | |
Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated | |
R&M 70:4 pp 242-263 | |
Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated | |
Dake, 1956. NW Gem Trails, 2nd ed. | |
| Robert C. Beste, PG (2005) A Location Guide for Rock Hounds in the United States. 3rd ed. Hobbit Press, St. Louis. 149p. |
| Robert C. Beste, PG (2005) A Location Guide for Rock Hounds in the United States. 3rd ed. Hobbit Press, St. Louis. 149p. |
Robert C. Beste, PG (2005) A Location Guide for Rock Hounds in the United States. 3rd ed. Hobbit Press, St. Louis. 149p. | |
Young, M. W. 1971 Then and now at famous Graveyard Point: Gems and Minerals, no. 407, p. 16-17. Idaho, Oregon, field trip; Graveyard Point in Idaho, agate mine in Oregon. | |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
| Ream, Lanny R. 2004. Idaho Minerals, 2nd edition, Revised and Updated |
| Zenz, Johann; Agates, pg. 490-492 |
MacFall, 1951. Gem Hunter's Guide, 1st ed. | |
| Gems and Minerals of America- Jay Ellis Ransom-1974 |
| www.missourigeologists.org/Min-Loc2.pdf. |
MacFall, 1951. Gem Hunter's Guide, 1st ed. | |
| MacFall, 1951. Gem Hunter's Guide, 1st ed. |
| Kevin Conroy Collection |
| [var: Lake Superior Agate] Rocks & Minerals (1955) 30:370 |
| [var: Lake Superior Agate] Rocks & Min.: 63:196 |
| Gems and Minerals of America- Jay Ellis Ransom-1974 |
| Gems&Min. 374: 25-27. |
R&M 77:6 pp 404-413 | |
Ransom, Jay Ellis(1974) Gems and Minerals of America:pg #324 | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
| R&M 77:6 pp 404-413 |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
| MacFall, 1951. Gem Hunter's Guide, 1st ed. |
R&M 77:6 pp 404-413 | |
| R&M 77:6 pp 404-413 |
| MacFall, 1951. Gem Hunter's Guide, 1st ed. |
| R&M 77:6 pp 404-413 |
MacFall, 1951. Gem Hunter's Guide, 1st ed. | |
| MacFall, 1951. Gem Hunter's Guide, 1st ed. |
| R&M 77:6 pp 404-413 |
| R&M 77:6 pp 404-413 |
| R&M 77:6 pp 404-413 |
| Rocks&Min. 20:480. |
| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 327 |
| R&M 77:6 pp 404-413 |
R&M 77:6 pp 404-413 | |
| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 327 |
| MacFall, 1951. Gem Hunter's Guide, 1st ed. |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Ransom, 1974. Gems and Minerals of America | |
| MacFall, 1951. Gem Hunter's Guide, 1st ed. |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974,Gems and Minerals of America | |
Anderson (1994) Kentucky Geol. Survey Ser. XI Spec. Pub 20 | |
| Rocks & Minerals 81:420-440 |
Gems and Minerals of America -Jay Ellis Ransom-1974 | |
| Rocks & Minerals 81:420-440 |
| Kentucky Agate, McIntosh and warren, 2013. |
Zeitner ,1968. Appalachian Mineral & Gem Trails | |
| Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440 |
| Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440 |
| Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440 |
| Alan Goldstein (2006) Kentucky Mineral Locality Index. Rocks & Minerals 81:420-440 |
| Ref: Earth Treasures Vol 4, Allan W. Eckert, 1987 |
| Earth Treasures Vol 4, Allan W. Eckert, 1987 |
| Earth Treasures Vol 4, Allan W. Eckert, 1987 |
Earth Treasures Vol 4, Allan W. Eckert, 1987 | |
| Earth Treasures Vol 4, Allan W. Eckert, 1987 |
| Earth Treasures Vol 4, Allan W. Eckert, 1987 |
Earth Treasures Vol 4, Allan W. Eckert, 1987 | |
Earth Treasures Vol 4, Allan W. Eckert, 1987 | |
Earth Treasures Vol 4, Allan W. Eckert, 1987 | |
| Earth Treasures Vol 4, Allan W. Eckert, 1987 |
| Jay Ellis Ransom,1974, Gems and Minerals of America |
MacFall (1975) Gem Hunter's Guide | |
R&M 69:3 pp 156-162 | |
MacFall (1975) Gem Hunter's Guide | |
| Morrill and Hinckley, 1959. Maine Mines and Minerals vol.2 |
Morrill and Hinckley, 1959. Maine Mines and Minerals vol.2 | |
| Gleba, 1978. Mass. Mineral & Fossil Localities |
| Gleba, 1978. Massachusetts Mineral & Fossil Localities |
| No reference listed |
| Western Massachusetts Geologic Resource Inventory, 3rd Ed., Alan R. Plante (Privately Published), 1994 |
| No reference listed |
| Gleba, 1978. Massachusetts Mineral & Fossil Localities |
| Day, David T. (1888). Mineral Resources of the United States, Calendar Year 1887 (Washington, DC: USGS) |
| Gleba, 1978. Massachusetts Mineral & Fossil Localities |
| P. Cristofono collection, 2014 |
| Gleba, 1978: MA Mineral and Fossil Localities |
Hitchcock, Edward (1841). Final report on the geology of Massachusetts, p. 186. | |
| [var: Lake Superior Agate] Yalmer Primeau collection |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
| Mineralogy of Michigan (2004) Heinrich & Robinson |
| Mineralogy of Michigan (2004) Heinrich & Robinson |
| [var: Lake Superior Agate] Brian Cowger |
| Yalmer Primeau Collection |
| Rosemeyer, T. 2011 New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals 86:205-227 |
Yalmer Primeau Collection | |
| Yalmer Primeau Collection |
| Mineralogy of Michigan (2004) Heinrich & Robinson |
[var: Lake Superior Agate] | |
| Gems and Minerals of America-Jay Ellis Ransom-1974 |
Rocks & Minerals (2007): 82: 276-297.; Rosemeyer, T. 2011 New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals 86:205-227 | |
Earth Science v.19, no. 2, p.98. (1966) | |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
| Mineralogy of Michigan (2004) Heinrich & Robinson |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
Paul Brandes field observation. | |
Bornhorst & Rose (1994) Self-guided geological field trip to the Keweenaw Peninsula, Michigan. Institute Lake Superior Geology proceedings vol 40 part 2 | |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
Yalmer Primeau collection | |
| Yalmer Primeau Collection |
| Mineralogy of Michigan (2004) Heinrich & Robinson |
Yalmer Primeau collection | |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
Paul T. Brandes; Bornhorst, T. J., & Barron, R. J. (2011). Copper deposits of the western Upper Peninsula of Michigan. The Geological Society of America Field Guide 24, 83-99. | |
Yalmer Primeau Collection | |
Paul T. Brandes | |
Yalmer Primeau Collection | |
[var: Lake Superior Agate] Paul T. Brandes | |
MacFall, 1951. Gem Hunter's Guide, 1st ed. | |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
Larry Maltby; Heinrich/Robinson (2004) Mineralogy of Michigan, see Quartz, Keweenaw Co. | |
Van King specimen | |
| Mineralogy of Michigan (2004) Heinrich & Robinson |
| Mineralogy of Michigan (2004) Heinrich & Robinson |
Mineralogy of Michigan (2004) Heinrich & Robinson | |
| MacFall, 1951. Gem Hunter's Guide, 1st ed. |
| Mineralogy of Michigan (2004) Heinrich & Robinson |
| Mineralogy of Michigan (2004) Heinrich & Robinson |
Gems and Minerals of America-Jay Ellis Ransom-1974 | |
www.dnr.state.mn.us/education/geology/digging/agate.html. | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
[var: Lake Superior Agate] Yalmer Primeau collection | |
| [var: Lake Superior Agate] Brian Cowger |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
| [var: Lake Superior Agate] http://files.dnr.state.mn.us/maps/state_parks/spk00172_summer.pdf |
[var: Lake Superior Agate] | |
Ojakangas, R. W. and Matsch, C. L. (1982): Minnesota's Geology. U of Minnesota Press. 255p. | |
Ojakangas, R. W. and Matsch, C. L. (1982): Minnesota's Geology. U of Minnesota Press. 255p; Green, J. C. (1987). Plateau basalts of the Keweenawan North Shore Volcanic Group. Geol. Soc. Am. Centennial Field Guide—North-Central Section, 59-62. | |
Roadside Geology of Minnesota (2009) Ojakangas, R.W. | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
| Yalmer Primeau Collection |
In personal collection - Bill Morgenstern | |
| [var: Lake Superior Agate] Brian Cowger |
| [var: Lake Superior Agate] Brian Cowger |
[var: Lake Superior Agate] Ann Wessel (2014) Central Minnesota prime spot for agate hunting. April 27, 2014, St. Cloud Times | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
| Gems and Minerals of America - Jay Ellis Ransom- 1974 |
Gems and Minerals of America- Jay Ellis Ransom-1974 | |
| Robert C. Beste, PG (2005) A Location Guide for Rock Hounds in the United States. 3rd ed. Hobbit Press, St. Louis. 149p. |
| MacFall, 1951. Gem Hunter's Guide, 1st ed. |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974,Gems and Minerals of America | |
Ozment, C. M. (1966) Beautiful banded agate found at St. Louis, Missouri: Lapidary Journal, v. 20, no. 1, p. 106, 107. | |
| R&M 73:2 pp 98-117 |
R&M 73:2 pp 98-117 | |
Kevin Conroy Collection | |
Kevin Conroy Collection | |
R&M 73:2 pp 98-117 | |
Jay Ellis Ransom,1974,Gems and Minerals of America | |
The Mineralogist, v. 24, no. 5 | |
| R&M 73:2 pp 98-117 |
R&M 73:2 pp 98-117 | |
MacFall, 1951. Gem Hunter's Guide, 1st ed. | |
R&M 73:2 pp 98-117 | |
| Jay Ellis Ransom,1974,Gems and Minerals of America |
| Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240; Chris Tucker and John Betts specimens. |
| Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240; Chris Tucker and John Betts specimens. |
| Don Volkman, Derek Yost collections. |
| Donald Volkman personally collected |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
| Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240; Chris Tucker and John Betts specimens. |
| Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240; Chris Tucker and John Betts specimens. |
Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240; Chris Tucker and John Betts specimens. | |
Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240; Chris Tucker and John Betts specimens. | |
| Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240; Chris Tucker and John Betts specimens. |
| Gobla, M.J. (2012) Montana mineral locality index. Rocks & Minerals, 87, #3, 208-240; Chris Tucker and John Betts specimens. |
| The Minerals and Gemstones of Nebraska CSD U Neb EC 2 |
| The Minerals and Gemstones of Nebraska CSD U Neb EC 2 |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
Jay Ellis Ransom,1974,Gems and Minerals of America | |
| The Minerals and Gemstones of Nebraska CSD U Neb EC 2 |
MacFall (1975) Gem Hunter's Guide | |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
| The Minerals and Gemstones of Nebraska CSD U Neb EC 2 |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
Zeitner (1956), Midwest Gem Trails | |
| The Minerals and Gemstones of Nebraska CSD U Neb EC 2 |
MacFall (1975) Gem Hunter's Guide | |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
| The Minerals and Gemstones of Nebraska CSD U Neb EC 2 |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
| The Minerals and Gemstones of Nebraska CSD U Neb EC 2 |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
MacFall (1975) Gem Hunter's Guide | |
| The Minerals and Gemstones of Nebraska CSD U Neb EC 2 |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
MacFall (1975) Gem Hunter's Guide | |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
| The Minerals and Gemstones of Nebraska CSD U Neb EC 2 |
| The Minerals and Gemstones of Nebraska CSD U Neb EC 2 |
| The Minerals and Gemstones of Nebraska CSD U Neb EC 2 |
| MacFall (1975) Gem Hunter's Guide |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
| MacFall (1975) Gem Hunter's Guide |
| The Minerals and Gemstones of Nebraska CSD U Neb EC 2 |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
| The Minerals and Gemstones of Nebraska CSD U Neb EC 2 |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
MacFall (1975) Gem Hunter's Guide | |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
| The Minerals and Gemstones of Nebraska CSD U Neb EC 2 |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
Jay Ellis Ranson,1974,Gems and Minerals of America | |
| The Minerals and Gemstones of Nebraska CSD U Neb EC 2 |
MacFall (1975) Gem Hunter's Guide | |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
| The Minerals and Gemstones of Nebraska CSD U Neb EC 2 |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
| MacFall (1975) Gem Hunter's Guide |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
MacFall (1975) Gem Hunter's Guide | |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
| The Minerals and Gemstones of Nebraska CSD U Neb EC 2 |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
| |
| The Minerals and Gemstones of Nebraska CSD U Neb EC 2 |
The Minerals and Gemstones of Nebraska CSD U Neb EC 2 | |
| The Minerals and Gemstones of Nebraska CSD U Neb EC 2 |
| NBMG Spec. Pub. 31 Minerals of Nevada |
NBMG Spec. Pub. 31 Minerals of Nevada | |
NBMG Spec. Pub. 31 Minerals of Nevada | |
| NBMG Spec. Pub. 31 Minerals of Nevada |
| NBMG Spec. Pub. 31 Minerals of Nevada |
NBMG Spec. Pub. 31 Minerals of Nevada | |
| NBMG Spec. Pub. 31 Minerals of Nevada |
| NBMG Spec. Pub. 31 Minerals of Nevada |
NBMG Spec. Pub. 31 Minerals of Nevada | |
| Rocks & Min.: 20:16. |
| NBMG Spec. Pub. 31 Minerals of Nevada |
June Culp Zeitner (1996) Gem and Lapidary Materials: For Cutters, Collectors, and Jewelers, Geoscience Press | |
NBMG Spec. Pub. 31 Minerals of Nevada | |
| NBMG Spec. Pub. 31 Minerals of Nevada |
Rocks&Min 36:35 | |
| NBMG Spec. Pub. 31 Minerals of Nevada |
Strong, M. F. (1971) Desert Gem Trails. A Field Guide to the Gems and Minerals of the Mojave and Colorado Deserts: Second Revised Edition, Gem Guides Book Co., Baldwin Park, CA, 80 p. | |
| NBMG Spec. Pub. 31 Minerals of Nevada |
Kunz, 1892. Gems & Precious Stones of N. America, p.133. | |
NBMG Spec Pub 31 Minerals of Nevada | |
| NBMG Spec. Pub. 31 Minerals of Nevada |
| USGS Bull 1538D |
| NBMG Spec. Pub. 31 Minerals of Nevada |
| NBMG Spec. Pub. 31 Minerals of Nevada |
NBMG Spec. Pub. 31 Minerals of Nevada | |
| NBMG Spec. Pub. 31 Minerals of Nevada |
| NBMG Spec. Pub. 31 Minerals of Nevada |
| Mark Mauthner uytenbogaardtite/acanthite specimen |
NBMG Spec. Pub. 31 Minerals of Nevada | |
| NBMG Spec. Pub. 31 Minerals of Nevada |
Mineralogical Magazine, October 2006, Vol. 70(5), pp. 485–498 | |
| NBMG Spec. Pub. 31 Minerals of Nevada |
| Christopher Wentzell collection, dug 2016-2017 |
NBMG Spec. Pub. 31 Minerals of Nevada | |
| NBMG Spec Pub 31 Minerals of Nevada |
NBMG Spec. Pub. 31 Minerals of Nevada | |
NBMG Spec. Pub. 31 Minerals of Nevada | |
| UGMS Bull 117 Minerals and Mineral Localities of Utah |
| Gems and Minerals of America - Jay Ellis Ransom-1974 |
Gems and Minerals of America - Jay Ellis Ransom-1974 | |
Gems and Minerals of America - Jay Ellis Ransom-1974 | |
| Mins. of NYC & Its Environs, NY Min. Club (1931), Manchester, J.G.; Rocks & Min.: 18:332-333 (1943), Drake, H.Y.; 59-157-183 (1984), Peters, Joseph J.; NJ Geol. Survey Bull. #64 (1960), Mason, B. |
| Rocks & Min.: 10:43. |
| The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 5, No. 1, Manchester, J.G. (1931): 91. |
| The Minerals of New York City & Its Environs, New York Mineralogical Club Bull., Vol. 3, No. 1, Manchester, J.G. (1931): 77. |
The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 88. | |
Gems and Minerals of America -Jay Ellis Ransom-1974 | |
Gems and Minerals of America - Jay Ellis Ransom -1974 | |
| Mason, B., 1960, Trap Rock Minerals of New Jersey. |
| Mason, B., 1960, Trap Rock Minerals of New Jersey |
| Rocks & Min.:6:120, 11:184; 19:306-309 & 59:157-183, Peters, Joseph J.; 15:111-115 (1940), Sachs; 59:157-183, Peters, Joseph J. (1984); Mins. of NYC & Its Environs, NY Min. Club (1931), Manchester, J.G.; NJ Geol. Survey Bull. #64 (1960), Mason, B. |
John Betts specimens for sale | |
Rocks & Min.:11:184. | |
| Ref.: Mineral Collector: 2:138-139, Ehrman, A.H. (1895); Mineral Collector 15: 113-118, Papke, H. (1908). |
| Lapidary Jour.: 32:1700-1720, Mins. of the Watchungs, Part II, Vitali, G. (1978); NJ Geol. Survey Bull. #64, Trap Rock Mins. of NJ, Mason, B. (1960); Rocks & Min.: 59:157-183 (1984), Peters, J.J.; Mason, B., 1960, Trap Rock Minerals of New Jersey. |
| Bradley D. Plotkin collection |
Gems and Minerals of America - Jay Ellis Ransom-1974 | |
| The Minerals of New York City & Its Environs, New York Mineralogical Club Bull., Vol. 3, No. 1, Manchester, J.G. (1931): 79. |
The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 81. | |
| Rocks & Min.: 24:27-29. |
A Quest for New Jersey Minerals (1978), Speiser, R.:14. | |
[var: Sardonyx] Ransom, Jay Ellis (1974) Gems and Minerals of America pg.424 | |
Manchester, J.G. (1931) The Minerals of New York City and Its Environs. New York Mineralogical Club Bulletin, 3:87. | |
| Rocks & Min.:13:75-79. |
The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931):94. | |
| Minerals of New Mexico 3rd ed. |
| New Mexico Rocks & Minerals By Frank S. Kimbler, Robert J. Narsavage |
| Minerals of New Mexico 3rd ed. |
| Minerals of New Mexico 3rd ed. |
Minerals of New Mexico 3rd ed. | |
| Minerals of New Mexico 3rd ed. |
| Minerals of New Mexico 3rd ed. |
| NMBGMR Open-file Report OF-459 |
2009 New Mexico Mineral Symposium abstracts | |
| Minerals of New Mexico 3rd ed.; 2009 New Mexico Mineral Symposium abstracts; NMBGMR Open-file Report OF-459 |
2009 New Mexico Mineral Symposium abstracts; NMBGMR Open-file Report OF-459 | |
Minerals of New Mexico 3rd ed. | |
| http://www.emnrd.state.nm.us/nmparks/PAGES/parks/rockh/rockh.htm; Twenty-First Annual New Mexico Mineral Symposium |
| Minerals of New Mexico 3rd ed. |
| Minerals of New Mexico 3rd ed. |
Minerals of New Mexico 3rd ed. | |
The Mineralogist, v. 9, no. 5, p. 181. | |
The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 84. | |
| Child, 1890. Gazetteer of Jefferson County, N. Y |
| Personally observed by Hershel Friedman, 2009 |
| Pratt,Joseph Hyde (1933) Gems and Gem Minerals of North Carolina: American Mineralogist,Vol.18,No.4,April,1933 |
| Ransom, Jay Ellis (1974) Gems and Minerals of America pg.452 |
Gems and Minerals of America-Jay Ellis Ransom-1974 | |
| Gems and Minerals of America- Jay Ellis Ransom-1974 |
Pratt,Joseph Hyde.,1933,Gems and Gem Minerals of North Carolina: American Mineralogist,Vol.18,No.4,April,1933 | |
Gems and Minerals of America-J ay Ellis Ransom-1974 | |
Pratt,Joseph Hyde.,1933,Gems and Gem Minerals of North Carolina: American Mineralogist,Vol.18,No.4,April,1933 | |
Gems and Minerals of America-Jay Ellis Ransom-1974 | |
Genth,F.A.,1891,The Minerals Of North Carolina;USGS Bulletion No.74 | |
Gems and Minerals of America- Jay Ellis Ransom-1974 | |
Genth,F.A.,1891,The Minerals Of North Carolina:USGS Bulletion No.74 | |
Gems and Minerals of America-Jay Ellis Ransom-1974 | |
| Ransom, 1974. Gems and Minerals of America |
Jay Ellis Ransom,1974,Gems and Minerals of America | |
Jay Ellis Ransom,1974,Gems and Minerals of America | |
Zeitner, 1956. Midwest Gem Trails | |
Jay Ellis Ransom,1974,Gems and Minerals of America | |
Ransom, 1974. Gems and Minerals of America | |
Rocks&Min. 20:533. | |
Jay Ellis Ransom,1974,Gems and Minerals of America | |
Jay Ellis Ransom,1974,Gems and Minerals of America | |
| Gems and Minerals of America- Jay Ellis Ransom-1974 |
Gems and Minerals of America- Jay Ellis Ransom-1974 | |
| Jay Ellis Ransom,1974,Gems and Minerals of America |
Neil H. Suneson, William G. Lyon, David Goza (2013) Boley Agate — Chert Breccia Clasts In The Vamoosa Formation. Shale Shaker 64:22-37 | |
| http://snr.unl.edu/data/geologysoils/agates/AgateLexicon.asp?Name=B |
David Goza Collection | |
Jay Ellis Ransom,1974,Gems and Minerals of America | |
R&M 72:4 pp 252-264 | |
Rocks & Min. (1963) 38:581 | |
Jay Ellis Ransom,1974,Gems and Minerals of America | |
| Neil H. Suneson, William G. Lyon, David Goza (2013) Boley Agate — Chert Breccia Clasts In The Vamoosa Formation. Shale Shaker 64:22-37 |
David Goza | |
Jay Ellis Ransom,1974,Gems and Minerals of America | |
| MacFall, 1951. Gem Hunter's Guide, 1st ed. |
| Lawson, H. W. (1949) Central Oregon Localities: The Bear Creek Deposits. The Mineralogist, v. 17, no. 5, p. 227-229. |
Cascade Lapidary, Earth Science, v. 28, no. 3, p. 161. | |
| Phyllis Richardson |
Phyllis Richardson | |
| Lap. Jour.: 27:540. |
| Gem Trails of Oregon, James R. Mitchell 1998 |
Rick Dalrymple Collection | |
| various added photos |
| [var: Onyx] Ariel S Wall |
| Microprobe, Fall 2007 |
| http://people.oregonstate.edu/~wilsolau/agates.html |
| Ariel Duplant |
| Green Peter Map, USGS 7.5' X 7.5'.; Pabian agate database. |
| Cran Cowan |
| Johnson, H. C. (1971) Western Gem Hunters Atlas, 11th Edition: Cy Johnson & son, Susanville, Calif., 95 p. |
Geological Survey Research 1973, Geological Survey Professional Paper 850, page 13 | |
Dake, H,C. (1956) Northwest Gem Trails: A field guide for the gem hunter, the mineral collector, and the tourist., 2nd ed., 80 pages. | |
| Mickey Marks Collection |
| Gem Trails of Oregon, James R. Mitchell 1998 |
[var: Iris Agate] "Dan Costian" Collection | |
Oregon Agate and Mineral Society (Map, 1971) | |
| Gems and Minerals of America- Jay Ellis Ransom-1974 |
| AmMin 12:427-436; Samuel Robinson (1825) A Catalogue of American Minerals, with their localities. Boston |
| Museum of Natural History, Roger Williams Park, Providence, RI #G3770 6008. |
| Miller, C.E. (1971) Rhode Island Minerals and Their Locations, O. D. Hermes, Ed., University of Rhode Island, Kingston; Rocks & Minerals (1986) 61:264-275; Rocks & Minerals (1986): 61: 286-289 |
No reference listed | |
| Gems and Minerals of America-Jay Ellis Ransom-1974 |
| June Culp Zeitner (1964) Midwest Gem Trails. |
| SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
Midwest Gem Trails, June Culp Zeitner, 1960. | |
[Clark, 1993 - "Hey's Mineral Index"] | |
R&M 75:3 pp 156-169 | |
John Paul Gries (1996) Roadside geology of South Dakota | |
Clark, Roger (2002) Fairburn Agate: Gem of South Dakota (Silverwind Agates, Publ., Appleton WI); pgs. 21,24,79 et al. | |
[Fortification Agate var: Fairburn Agate] Clark, Roger (2002) Fairburn Agate: Gem of South Dakota (Silverwind Agates, Publ., Appleton WI); pgs. 21,24,79 et al. | |
| |
| SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" | |
Lapidary Journal, v. 33, no. 6, p. 1410-1415 | |
| SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
| SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
| |
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills" | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
Jay Ellis Ransom,1974, Gems and Minerals of America | |
| Rock & Minerals Vol. 84 No. 4 Jul/Aug 2011 |
| Travis A. Paris (2011) Tennessee Mineral Locality Index. Rocks & Minerals 86:300-328 |
Gems and Minerals of America-Jay Ellis Ransom-1974 | |
| LapJourn. 16(11):1012 |
Gems and Minerals of America - Jay Ellis Ransom-1974 | |
Gems and Minerals of America-Jay Ellis Ransom-1974 | |
| Zeitner ,1968. Appalachian Mineral & Gem Trails ; Travis A. Paris (2011) Tennessee mineral locality index. Rocks & Minerals, 86, #4, 300-328. |
Gems and Minerals of America-Jay Ellis Ransom-1974 | |
Gems and Minerals of America- Jay Ellis Ransom-1974 | |
Zeitner ,1968. Appalachian Mineral & Gem Trails | |
| Travis A. Paris (2011) Tennessee mineral locality index. Rocks & Minerals, 86, #4, 300-328. |
| Ransom, Jay Ellis (1974) Gems and Minerals of America :pg 540 |
| R&M 66:3 pp 196-224 |
Agates from Alpine, Texas. Rocks and Minerals, v. 19, no. 8, p. 246. | |
USGS Bull 585 | |
www.austingemandmineral.org | |
R&M 66:3 pp 196-224; http://www.omsinc.org/archives/Ore-cutts_Jan04.pdf | |
R&M 66:3 pp 196-224 | |
Big Bend Country: Lapidary Journal, v. 16, no. 5, p. 527-530. | |
Ransom, Jay Ellis (1974) Gems and Minerals of America :pg 541 | |
Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 541 | |
| Self-Collected In August 2005 by David Aldridge and Wayne Aldridge |
Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 542 | |
| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 543 |
| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 543 |
Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 544 | |
| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 544 |
| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 544 |
| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 545 |
Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 545 | |
Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 546 | |
| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 544 |
| Wonderful west Texas: Lapidary Journal, v. 27, no. 10, p. 1534-1542. |
A. R. Ploudre, Lapidary Journal, v. 42, no. 2, p. 101 | |
Brian Cowger | |
Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 548 | |
| Lapidary Journal, v. 20, no. 1, p. 74-102. |
| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 549 |
Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 549 | |
Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 550 | |
| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 550 |
| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 550 |
| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 551 |
| Ransom, Jay Ellis (1974 ) Gems and Minerals of America :pg 551 |
| UGMS Bull 117 Minerals and Mineral Localities of Utah |
| USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10020129. |
| Rick Dalrymple Collection |
| MacFall, 1951. Gem Hunter's Guide, 1st ed. |
| UGMS Bull 117 Minerals and Mineral Localities of Utah |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
| UGMS Bull 117 Minerals and Mineral Localities of Utah |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
various added photos | |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
Lapidary Journal 31:179. | |
A Collector's Guide to Rock, Mineral, & Fossil Localities of Utah by James R. Wilson | |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
| UGMS Bull 117 Minerals and Mineral Localities of Utah |
Bixby Catalog of Utah Minerals 1902 | |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
Van King | |
Utah Rockhounding. http://www.xmission.com/~jbdaniel/grand.htm | |
| Rick Dalrymple Collection |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
A Collector's Guide to Rock, Mineral, & Fossil Localities of Utah by James R. Wilson | |
Dave Crosby field collected specimens | |
| UGMS Bull 117 Minerals and Mineral Localities of Utah |
| Dave Crosby photo and specimen |
James R Wilson (1995) A collector's guide to rock, mineral, & fossil localities of Utah. Utah Geological Survey Misc. Pub. 95-4 | |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
MacFall, 1951. Gem Hunter's Guide, 1st ed. | |
| UGMS Bull 117 Minerals and Mineral Localities of Utah |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
| UGMS Bull 117 Minerals and Mineral Localities of Utah |
| Rick Dalrymple Collection |
| [var: Onyx] U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
| Van King |
| Rick Dalrymple Collection |
| UGMS Bull 117 Minerals and Mineral Localities of Utah |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
| |
| UGMS Bull 117 Minerals and Mineral Localities of Utah |
| Rick Dalrymple Collection |
Rick Dalrymple Collection | |
| |
| UGMS Bull 117 Minerals and Mineral Localities of Utah |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
[var: Onyx] U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
| UGMS Bull 117 Minerals and Mineral Localities of Utah |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
Rick Dalrymple Collection | |
| U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
UGMS Bull 117 Minerals and Mineral Localities of Utah | |
| Nicolay & Stone (1967), Rocks & Minerals: A Guide For Collectors of the Eastern US |
| Rocks & Min. Vol. 71, (1996) |
MacFall (1975) Gem Hunter's Guide | |
| Minerals of Virginia 1990 by R. V. Dietrich |
Minerals of Virginia 1990 by R. V. Dietrich | |
| Rocks & Min.: 8:143-144.; Arthur A. Pegau (1932) Pegmatite Deposits of Virginia. Virginia Geological Survey; Bulletin 33. |
| Minerals of Virginia 1990 by R. V. Dietrich |
Minerals of Virginia 1990 by R. V. Dietrich | |
| Minerals of Virginia 1990 by R. V. Dietrich |
Gems and Minerals of America-Jay Ellis Ransom-1974 | |
Minerals of Virginia 1990 by R. V. Dietrich | |
| Minerals of Virginia 1990 by R. V. Dietrich |
Minerals of Virginia 1990 by R. V. Dietrich | |
Minerals of Virginia 1990 by R. V. Dietrich | |
| Minerals of Virginia 1990 by R. V. Dietrich |
| Minerals of Virginia 1990 by R. V. Dietrich |
Minerals of Virginia 1990 by R. V. Dietrich | |
Gems and Minerals of America- Jay Ellis Ransom-1974 | |
| Glover, S. L. (1949). Origin and Occurrence of Gem Stones in Washington. State Print. Plant. |
| Glover, S. L. (1949). Origin and Occurrence of Gem Stones in Washington. State Print. Plant. |
| |
| T Douglas Schonewald Collection |
| |
| Cannon, B. (1975): Minerals of Washington, p.64 |
| |
T Douglas Schonewald Collection | |
| T Douglas Schonewald Collection |
http://file.dnr.wa.gov/publications/ger_misc_gems_minerals_wa_brochure_1983.pdf | |
http://www.mineralcouncil.org/ | |
| |
| |
| http://file.dnr.wa.gov/publications/ger_misc_gems_minerals_wa_brochure_1983.pdf |
| |
| Gems and Minerals of America- Jay Ellis Ransom-1974 |
| MESA HEALTH AND SAFETY INSPECTION REPORT MAY 30, 1973 |
| Gems and Minerals of America - Jay Ellis Ransom-1974 |
| [var: Lake Superior Agate] Brian Cowger |
| Cordua, W.S., 1998, "Minerals of Wisconsin", Rocks and Minerals vol. 73 #6, p. 378 - 398. |
| [var: Lake Superior Agate] Brian Cowger |
Gems and Minerals of America - Jay Ellis Ransom-1974 | |
Gems and Minerals of America - Jay Ellis Ransom-1974 | |
| Amir Akhavan edit |
| Cordua, W.S., 1998, "Minerals of Wisconsin", Rocks and Minerals vol. 73 #6, p. 378 - 399. |
Cordua, W.S., 1998, "Minerals of Wisconsin", Rocks and Minerals vol. 73 #6, p. 378 - 399. | |
| Cordua, W.S. (1990), Amygdule Minerals of the South Range Quarry, Douglas County, Wisconsin: Rocks and Minerals: 65: 412-415. |
Gems and Minerals of America - Jay Ellis Ransom-1974 | |
Gems and Minerals of America - Jay Ellis Ransom-1974 | |
| Kevin Ponzio (2014) |
Gems and Minerals of America - Jay Ellis Ransom-1974 | |
Gems and Minerals of America - Jay Ellis Ransom-1974 | |
Gems and Minerals of America -Jay Ellis Ransom-1974 | |
| Gems and Minerals of America - Jay Ellis Ransom-1974 |
| William S. Cordua collection |
| R&M 73:11-12 pp 378-399 Wisconsin Mineral Locality Index |
William S. Cordua | |
Gems and Minerals of America - Jay Ellis Ransom-1974 | |
| Jay Ellis Ransom,1974, Gems and Minerals of America |
| Rocks & Minerals 76:383 |
USGS Bull 624 | |
| Rocks & Minerals 76:389 |
| [var: Youngite] Chris Clemens collection. |
Rocks & Minerals 76:389 | |
USGS 1970 PP495-C Cenozoic geology of the Granite Mountains area, central Wyoming | |
Van King | |
D. M. Schlegal (1959) Gem Stones of the United States. USGS Bulletin 1042G | |
Vietnam | |
| Pham Van Long, Gaston Giuliani, Virginie Garnier, Daniel Ohnenstetter (2004) Gemstones in Vietnam. The Australian Gemmologist Volume 22, Number 4, October–December 2004 |
Yemen | Mackay E. India: Technology. Decorated carnelian beads. Man 33: 1933:145 |
| [var: Mocha Stone] [Clark, 1993 - "Hey's Mineral Index", p463] |
Zimbabwe | |
| Wolfgang Hampel, site visit June 2014 |
| Wolfgang Hampel, October 2014 |
Wolfgang Hampel, October 2014 | |
Moore, A. (2013): The Geology of the Victoria Falls Area, Field Excursion Guidebook.- Geol. Soc. Of Zimbabwe, Annual Summer Symposium Victoria Falls, 28-30 November 2013, 15 pages + app. |
Ojo Laguna, Estacion Ojo Laguna, Mun. de Ahumada, Chihuahua, Mexico