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Cristobalite

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Formula:
SiO2
Colour:
Colorless, white, also blue grey, brown, grey, yellow
Lustre:
Vitreous
Hardness:
6 - 7
Specific Gravity:
2.32 - 2.36
Crystal System:
Tetragonal
Name:
Named after the type locality of Cerro San Cristobal, Mexico.
Cristobalite is a silica polymorph that is thermodynamically stable only at temperatures above 1470°C, up to the melting point at 1705°C, at atmospheric pressures. It commonly metastably persists or even forms at much lower temperatures in silica-rich volcanic and sedimentary environments. It can form crystals in cavities, probably vapour-deposited, or spherulites in obsidian or other silicic volcanics.

It is commonly reported as a major constituent of certain types of opal (opal-C and opal-CT) in marine sedimentary rocks derived from biogenic opaline sediments, and as cavity fills formed from low-temperature groundwater.

Some precious opal is opal-CT. However, some workers note that this material is hydrous and lacks any long-range ordering, the opal structure just mimicking cristobalite and tridymite, so may not be considered true cristobalite (Smith, 1998).

At ambient temperatures, cristobalite is tetragonal, and specimens from volcanic environments are paramorphs of cubic β-Cristobalite or high-cristobalite (stable above 1470°C), still showing the initially cubic crystal morphology. To distinguish it from the high-temperature cubic type, tetragonal cristobalite is also called α-cristobalite or low-cristobalite.

May be intergrown with Tridymite.


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Classification of CristobaliteHide

Approved, 'Grandfathered' (first described prior to 1959)
4.DA.15

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
A : With small cations: Silica family
75.1.1.1

75 : TECTOSILICATES Si Tetrahedral Frameworks
1 : Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
7.8.5

7 : Oxides and Hydroxides
8 : Oxides of Si

Physical Properties of CristobaliteHide

Vitreous
Transparency:
Transparent, Translucent
Colour:
Colorless, white, also blue grey, brown, grey, yellow
Comment:
Often white due to numerous cracks
Streak:
White
Hardness:
6 - 7 on Mohs scale
Tenacity:
Brittle
Density:
2.32 - 2.36 g/cm3 (Measured)    2.33 g/cm3 (Calculated)

Optical Data of CristobaliteHide

Type:
Uniaxial (-)
RI values:
nω = 1.487 nε = 1.484
Max Birefringence:
δ = 0.003
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate

Chemical Properties of CristobaliteHide

Formula:
SiO2
Common Impurities:
Fe,Ca,Al,K,Na,Ti,Mn,Mg,P

Crystallography of CristobaliteHide

Crystal System:
Tetragonal
Class (H-M):
4 2 2 - Trapezohedral
Space Group:
P41 21 2
Cell Parameters:
a = 4.9709(1) Å, c = 6.9278(2) Å
Ratio:
a:c = 1 : 1.394
Unit Cell V:
171.18 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Pseudo octahedral crystals, commonly dendritic, spherulites.
Twinning:
On {111} (paramorphs of cubic β-Cristobalite twins)

Crystallographic forms of CristobaliteHide

Crystal Atlas:
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Cristobalite no.1 - Goldschmidt (1913-1926)
3d models and HTML5 code kindly provided by www.smorf.nl.

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X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.05 (100)
3.135 (11)
2.841 (13)
2.485 (20)
2.465 (5)
2.118 (5)
1.870 (7)
Comments:
For synthetic material.

Type Occurrence of CristobaliteHide

Synonyms of CristobaliteHide

Other Language Names for CristobaliteHide

Common AssociatesHide

OpalSiO2 · nH2O
QuartzSiO2
SanidineK(AlSi3O8)
TridymiteSiO2
Associated Minerals Based on Photo Data:
Obsidian49 photos of Cristobalite associated with Obsidian on mindat.org.
Fayalite38 photos of Cristobalite associated with Fayalite on mindat.org.
Tridymite23 photos of Cristobalite associated with Tridymite on mindat.org.
Hematite14 photos of Cristobalite associated with Hematite on mindat.org.
Amethyst9 photos of Cristobalite associated with Amethyst on mindat.org.
Opal8 photos of Cristobalite associated with Opal on mindat.org.
Andradite4 photos of Cristobalite associated with Andradite on mindat.org.
Topazolite4 photos of Cristobalite associated with Topazolite on mindat.org.
Sanidine4 photos of Cristobalite associated with Sanidine on mindat.org.
Snowflake Obsidian3 photos of Cristobalite associated with Snowflake Obsidian on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.DA.Carbon Dioxide IceCO2
4.DA.05QuartzSiO2Trig. 3 2 : P31 2 1
4.DA.10OpalSiO2 · nH2O
4.DA.10TridymiteSiO2Tric. 1
4.DA.20MogániteSiO2Mon.
4.DA.25Melanophlogite46SiO2 · 6(N2,CO2) · 2(CH4,N2)Tet.
4.DA.30LechatelieriteSiO2
4.DA.35CoesiteSiO2Mon. 2/m : B2/b
4.DA.40StishoviteSiO2Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
4.DA.45KeatiteSiO2
4.DA.50SeifertiteSiO2Orth. mmm (2/m 2/m 2/m) : Pbcn

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

7.8.1QuartzSiO2Trig. 3 2 : P31 2 1
7.8.2CoesiteSiO2Mon. 2/m : B2/b
7.8.3TridymiteSiO2Tric. 1
7.8.4StishoviteSiO2Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
7.8.6LechatelieriteSiO2
7.8.7Silhydrite3SiO2 · H2OOrth.
7.8.8OpalSiO2 · nH2O
7.8.9MogániteSiO2Mon.

Other InformationHide

Thermal Behaviour:
Inverts from high cristobalite at 268°C.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Cristobalite in petrologyHide

Accessory component of (items highlighted in red)

References for CristobaliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
vom Rath, G. (1887) Ueber Cristobalit vom Cerro S. Cristóbal bei Pachuca (Mexico). Neues Jahrbuch für Mineralogie, Geologie und Paläontologie: 1987: 198-199.
Wyckoff, R.W.G. (1925) The crystal structure of the high temperature form of cristobalite (SiO2). American Journal of Science: 9: 448-459.
Barth, T.F.W. (1932) The cristobalite structures: I. High cristobalite. American Journal of Science: 23: 350-356.
Barth, T.F.W. (1932) The cristobalite structures: II. Low cristobalite. American Journal of Science: 24: 97-110.
Nieuwenkamp, W. (1935) De Kristallstruktur des Tief-Cristobalits SiO2. Zeitschrift für Kristallographie: 92: 82-88.
Murdoch, J. (1942) Crystallographic notes: cristobalite, stephanite, natrolite. American Mineralogist: 27: 500-506.
Van Valkenburg, A., Buie, B.F. (1945) Octahedral cristobalite with quartz paramorphs from Ellora Caves, Hyderabad State, India. American Mineralogist: 30: 526-535.
Dollase, W.A. (1965) Reinvestigation of the structure of low cristobalite. Zeitschrift für Kristallographie: 121: 369-377.
Henderson, J.H., Jackson, M.L., Syers, J.K., Clayton, R.N., Rex, R.W. (1971) Cristobalite Authigenic origin in relation to montmorillonite and quartz origin in bentonite. Clays and Clay Minerals: 19: 229-238.
Peacor, D.P. (1973) High-temperature single-crystal study of the cristobalite inversion. Zeitschrift für Kristallographie: 138: 274-298.
Murata, K.J., Nakata, J.K. (1974) Cristobalite stage in the diagenesis of diatomaceous shale. Science: 184: 567-568.
Richet, P., Bottinga, Y., Deniélou, L., Petitet, J.P., Téqui, C. (1982) Thermodynamic properties of quartz, cristobalite, and amorphous SiO2: drop calorimetry measurements between 1000 and 1800 K and a review from 0 to 2000 K. Geochimica et Cosmochimica Acta: 46: 2639-2658.
Pluth, J.J., Smith, J.V., Faber, J. (1985) Crystal structure of low cristobalite at 10, 293, and 473 K: Variation of framework geometry with temperature. Journal of Applied Physics: 57: 1045-1049.
Drees, L.R., Wilding, L.P., Smeck, N.E., Senkayi, A.L. (1989) Silica in soils: quartz and disordered silica polymorphs. in Minerals in Soil Environments, Editor S.B. Weed. Soil Science Society of America (Madison Wisconsin, USA): 913-974.
Hatch, D.M., Ghose, S. (1991) The α-ß transition in cristobalite, SiO2. Physics and Chemistry of Minerals: 17: 554-562.
Downs, R.T., Palmer, D.C. (1994) The pressure behavior of α cristobalite. American Mineralogist: 79: 9-14.
Elzea, J.M., Odom, I.E., Miles, W.J. (1994) Distinguishing well ordered opal-CT and opal-C from high temperature cristobalite by X-ray diffraction. Analytica Chimica Acta: 286: 107-111.
Heaney, P.J. (1994) Structure and chemistry of the low-pressure silica polymorphs. In: Reviews in Mineralogy, Volume 29, Silica - Physical behavior, geochemistry and materials applications. Mineralogical Society of America, Washington, D.C.
Palmer, D.C., Finger, L.W. (1994) Pressure-induced phase transition in cristobalite: An X-ray powder diffraction study to 4.4 GPa. American Mineralogist: 79: 1-8.
Elzea, J.M., Rice, S.B. (1996) TEM and X-ray diffraction evidence for cristobalite and tridymite stacking sequences in opal. Clays and Clay Minerals: 44: 492-500.
Smith, D.K. (1998) Opal, cristobalite, and tridymite: Noncrystallinity versus crystallinity, nomenclature of the silica minerals and bibliography. Powder Diffraction: 13: 2-19.
Dove, M.T., Craig, M.S., Keen, D.A., Marshall, W.G., Redfern, S.A.T., Trachenko, K.O., Tucker, M.G. (2000) Crystal structure of the high-pressure monoclinic phase-II of cristobalite, SiO2. Mineralogical Magazine: 64: 569-576.
Garg, N., Sharma, S.M. (2007) Classical molecular dynamical simulations of high pressure behavior of alpha cristobalite (SiO2). Journal of Physics: Condensed Matter: 19: 456201.
Donadio, D., Martonak, R., Raiteri, P., Parrinello, M. (2008) Influence of temperature and anisotropic pressure on the phase transitions in α-cristobalite. Physical Review Letters: 100: 165502-165504.
Dera, P., Lazarz, J.D., Prakapenka, V.B., Barkley, M., Downs, R.T. (2011) New insights into the high-pressure polymorphism of SiO2 cristobalite. Physics and Chemistry of Minerals: 38: 517-529.
Pabst, W., Gregorová, E. (2013) Elastic properties of silica polymorphs - a review. Ceramics - Silikáty: 57: 167-184.
Matsui, M., Sato, T., Funamori, N. (2014) Crystal structures and stabilities of cristobalite-helium phases at high pressures. American Mineralogist: 99: 184-189.

Internet Links for CristobaliteHide

Localities for CristobaliteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Afghanistan
 
  • Panjsher Province (Panjsheer Province; Panjshir Province; Panjsher Valley; Panjshir Valley)
    • Khinj District
Merkel, S., Bräutigam, B., Klein, S., & Hauptmann, A. (2013). The Analysis of Slag from the Panjhır Mining Region, Afghanistan: An Investigation of (Medieval) Silver Production Technology. Archäologische Mitteilungen, 45, 231-250.
Algeria
 
  • Sahara Desert
Shohei Kaneko, Eiji Ohtani, Masaaki Miyahara, Takeshi Sakai, Masahiro Kayama, Hirotsugu Nishido, Yasuo Oishi, Naohisa Hirao (2011) Dynamic event recorded in a lunar meteorite NWA 4734. Japan Geooscience Union Meeting Makuhari, Chiba Japan.
Antarctica
 
  • Eastern Antarctica
    • Victoria Land
Galli E, Quartieri S, Vezzalini G, Alberti A (1996) Gottardiite, a new high-silica zeolite from Antarctica: the natural counterpart of synthetic NU-87, European Journal of Mineralogy 8, 687-693
Enstatite; Calcite, Clinoenstatite, Cristobalite, Daubréelite, Goethite, Gypsum, Nickel-iron, Plagioclase, Kamacite, Schreibersite , Troilite; van Niekerk, D., Keil, K. & Humayan, M. (2014) Petrogenesis of anomalous Queen Alexandra Range enstatite meteorites and their relation to enstatite chondrites, primitive enstatite achondrites, and aubrites: Meteoritics & Planetary Science 49 (3): 295-312. (March 2014)
      • Ross Island
Browne, P.R.L. 1973 Secondary minerals in cores from DVDP 1 and 2. Dry Valley Drilling Project bulletin 2: 83-93 Browne, P.R.L. 1974 Secondary minerals from Ross Island drillholes. Dry Valley Drilling Project bulletin 04:15
Argentina
 
  • Catamarca
    • Antofagasta de la Sierra Department
Raúl J. Tauber Larry
  • Chubut
    • Languiñeo department
      • Piedra Parada
ARAGON, E. et al. Petrogenesis of thundereggs in Eocene rhyolite domes of central Chubut, Patagonia. Rev. Asoc. Geol. Argent. [online]. 2006, vol.61, n.3, pp. 347-354.
  • Córdoba
    • Punilla Department
      • Tanti
        • Cerro Blanco pegmatite district
Mr. Nelson Valenzuela.
  • Jujuy
    • Cochinoca Department
      • Rachaite
Milka K. de Brodtkorb (2002) Las Especies Minerales de la Republica Argentina. Vol. 1 (elements, sulphides and sulphosalts). (Asociacion Mineralogica Argentina)
  • Mendoza
    • Malargüe Department
      • Altiplano de Payún Matru
PXRD by John Attard.
  • Río Negro
    • Ñorquincó department
CRAVERO, Fernanda; MARTINEZ, Gabriel Alexis and PESTALARD, Fernando. Halloysite deposits in Mamil Choique, provinceof Río Negro, Patagonia. Rev. Asoc. Geol. Argent. [online]. 2009, vol.65, n.3, pp. 586-592.
  • Salta
    • Los Andes department
      • El Quevar mining district
ROBL, Klaus; BRODTKORB, Milka K.de and AMETRANO, Silvia. The Miocene epithermal mineralization of the Quevar Stratovolcan Complex, Salta. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 525-539.
Australia
 
  • New South Wales
    • Brisbane Co.
      • Wingen
Rattigan, J. H. (1967): Phenomena about Burning Mountain, Wingen, N.S.W.. Aust. J. Earth Sciences 30, 183-184.
    • Westmoreland Co.
      • Oberon
Podgson RE, Osborne RAL, Colchester DM, Minerals of Jenolan Caves, New South Wales, Australia: Geological and Biological Interactions, Proceedings of the Linnean Society of New South Wales 134, 1-18.
  • Queensland
    • Cairns Region
      • Prosperpine
Lindner, A. (1983). Buddingtonite (NH4-feldspar) in the Condor oilshale deposit, Queensland, Australia. Mineralogical Magazine, 47, 327-34.
  • Victoria
    • City of Greater Geelong
      • Anakie
Judy Rowe Collection
Museum Victoria Mineralogy Collection
    • Macedon Ranges Shire
      • Malmsbury
Sutton & Mills (2012)
    • Moyne Shire
      • Mortlake
Birch, W. D., Wood, A., White, A. J. R., Mills, S. J. and Freeman, R. (2008): Aegirine-augite crystals in scoria from Mt Shadwell and Mt Anakie, Victoria, Australia. Australian Journal of Mineralogy 14, 37-42.
  • Western Australia
    • Dundas Shire
Chennaoui Aoudjehane, H. & Jambon, A. (2007) Determination of Silica Polymorphs in Eucrites by Cathodoluminescence: Lunar and Planetary Science XXXVIII. LPI Contribution No. 1338, pdf.#1714. (March 2007)
Austria
 
  • Burgenland
    • Oberpullendorf
      • Kobersdorf
        • Pauliberg
U. Kolitsch, W. Postl, H.-P. Bojar and W. Trattner (2009): Die Mineralvorkommen im Basalt des Pauliberges. In: Autorenkollektiv (Red. M. A. Götzinger und P. Huber) (2009): Die Mineralien des Burgenlandes - Geologie, Mineralogie und mineralische Rohstoffe. – Wissenschaftliche Arbeiten aus dem Burgenland, Band 126, Amt der Burgenländischen Landesregierung, Abteilung 7 - Landesmuseum, Eisenstadt, 83-99.
    • Oberwart
      • Kohfidisch
Götzinger, M. A. & Pristacz, H. (2009)
  • Carinthia
    • St Paul im Lavanttal
      • Kollnitz
G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
  • Styria
    • Bad Gleichenberg
      • Klause
Aufschluss 1972(SB), 52-55
      • Wilhelmsdorf
The analysises were made at Joanneum Graz, by Dr Postl.
    • Bad Radkersburg
      • Klöch
Taucher, J. et al. (1989)
    • Graz
      • Wildon
        • Weitendorf
Aufschluss 1972(SB), 76-79
Azerbaijan
 
  • Qobustan District (Gobustan; Kobustan)
    • Caspian Sea
Novgorodova M.I., Mamedov Yu.G.. Native aluminium from mud volcano at the Bulla island (caspian Sea), - Lithology and Mineral Resourses,1996,N4,p. 339-349
Bolivia
 
  • Oruro Department
    • Carangas Province
Salomon Rivas y Federico Ahlfeld (1998) Los Minerales de Bolivia y sus Parajes. (Santa Cruz)
  • Potosí Department
    • Cerro Huañaquino
      • El Molino
Alfredo Petrov, field observations.
Brazil
 
  • Pará
    • São Geraldo do Araguaia
Revista Brasileira de Geociências, vol.30
Bulgaria
 
  • Kardzhali Oblast (Kurdzhali; Kărdžali; Kurdjali)
    • Rhodope Mts
Tschernich, 1992. Zeolites of the World
Burkina Faso
 
  • East Region
    • N'Gourma
Grady, M.M. (2000). Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge; New York; Oakleigh; Madrid; Cape Town. 689 pages.; Cristophe-Michele-Lévy, M. & Curien H. (1965) Etude à microsonde électronique d'un chondre d’olivine et d’un fragment riche en cristobalite de la météorite de Nadiabondi. Bull. Soc. franc. Minér. Crist. 88, 122-125.
Canada
 
  • Alberta
    • Abee
Dawson, K. R.; Maxwell, J. A.; Parsons, D. E. () A description of the meteorite which fell near Abee, Alberta, Canada. Geochimica et Cosmochimica Acta, Volume 21, Issue 1-2, p. 127-127.
  • Ontario
    • Renfrew Co.
      • Blythfield Township
Keil, K. (1968). Mineralogical and Chemical Relationships among the Enstatite Chondrites. Journal of Geophysical Research 73 (22): 6945-6976. (Nov 1968)
  • Québec
    • Montréal
TARASSOFF, P., HORVÁTH, L. and PFENNINGER-HORVÁTH, E. (2006) Famous mineral localities: the Francon quarry, Montréal, Québec. Mineralogical Record, 37, 5-60.
Chile
 
  • Atacama Region
    • Copiapó Province
      • Maricunga belt
Sernageomin database 2005;Stgo de Chile
Sernageomin database 2005;Stgo de Chile
Economic Geology; January 2005; v. 100; no. 1; p. 131-148
China
 
  • Anhui Province
    • Bozhou Prefecture
      • Qiaocheng District
        • Xiaoyanzhuang
http://www.lpi.usra.edu/meetings/LPSC99/pdf/1774.pdf / Lunar and Planetary Science XXX, J. C. Bridges et al.
  • Guangxi Zhuang Autonomous Region
    • Baise Prefecture
      • Pingguo Co.
Xinyu Cao and Tongjiang Tang (1986): Geology and Prospecting 22(2), 18-23
  • Hebei Province
    • Zhangjiakou Prefecture
      • Chicheng Co.
Xianqiong Wang, Shanping Sun, Jiazhen Li, and Zulian Qian (1993): Geoscience 7(3), 317-325
  • Jiangsu Province
    • Taizhou Prefecture
      • Gaogang District
        • Sixiangkou
Lunar and Planetary Science, volume 27, page 1373
  • Jilin Province (Manchuria; Dongbei Region)
    • Baishan Prefecture
      • Fusong Co.
Jie Yao, Honglin Yu, Anping Wang, and Yixing He (2002): Journal of Jilin University (Earth Science Edition) 32(1), 43-50
    • Jilin Prefecture
      • Chuanying District
Wankang Huang, Yingwen Xie, and Jingming Pan (1978): Geochimica 7(1), 25-34
  • Shanxi Province
    • Yangquan Prefecture
      • Kuang District
Querol, X.; Izquierdo, M.; Monfort, E.; Alvarez, E.; Font, O.; Moreno, T.; Alastuey, A.; Zhuang, X.; Lu, W.; Wang, Y. (2008): International Journal of Coal Geology 75, 93-104
  • Sichuan Province
    • Garzê Autonomous Prefecture (Ganzi Autonomous Prefecture)
      • Kangding Co.
        • Kangding pegmatite field
Li, J., Chou, I., Yuan, S., & Burruss, R. C. (2009, December). Homogenization Temperature Measurements in Hydrothermal Diamond-Anvil Cell for Melt and Fluid Inclusions from the Jiajika Pegmatite Deposit, China. In AGU Fall Meeting Abstracts (Vol. 1, p. 2234).
  • Xinjiang Autonomous Region
    • Changji Autonomous Prefecture (Sanji Autonomous Prefecture)
      • Jimsar Co. (Jimisar Co.; Jimusa'er Co.)
Yanling Tang (2005): Non-metallic deposits of Xinjiang, China [Zhongguo Xinjiang Fei Jinshu Kuangchuang]. Geological Publishing House (Beijing), 289 pp.
Costa Rica
 
  • Guanacaste Province
www.mineralmundi.com
www.mineralmundi.com
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Hradec Králové Region
      • Trutnov (Trautenau)
        • Radvanice
Jirásek, J.: Thermal Changes of the Rocks in the Dump Pile of the Kateřina Colliery in Radvanice (Eastern Bohemia). Ostrava: VSB – Technical University of Ostrava, Institute of Geological Engineering - 541, 2001. 69 p.
    • Ústí Region
      • Most
Filippi, M.: Korozluky – pozoruhodná mineralogická lokalita Českého středohoří. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 2002, roč. 10, s. 320-322.
  • Moravia (Mähren; Maehren)
    • South Moravia Region
      • Oslavany
Hršelová, P., Cempírek, J., Houzar, S., Sejkora, J. (2013): S,F,Cl-rich mineral assemblages from burned spoil heaps in the Rosice-Oslavany coalfield, Czech Republic. Can. Mineral.: 51(1): 171-188
Denmark
 
  • Faroe Islands
    • Streymoy Island
      • Tórshavn
Caucia, F., Marinoni, L., Leone, A. (2013): Physical, geochemical and gemological properties of opals from Faroe Islands. Neues Jahrbuch für Mineralogie - Abhandlungen.191, 33-43
Ecuador
 
  • Azuay Province
www.mineralmundi.com
www.mineralmundi.com
www.mineralmundi.com
www.mineralmundi.com
  • Loja Province
www.mineralmundi.com
  • Zamora-Chinchipe Province
www.mineralmundi.com
Egypt
 
  • Matruh Governorate
    • East Uweinat Desert
Gian Paolo Sighinolfi, Chiara Elmi, Romano Serra, and Gabriele Contini (2014): High density silica phases as evidence of small-scale hypervelocity impacts: the Gebel Kamil Crater (Egypt). Periodico di Mineralogia 83, 299-312.
El Salvador
 
  • Usulután Department
Torio-Henríquez, E. (2007) Petrography and mineral alteration in Berlin geothermal field. Proceedings, Thirty-Second Workshop on Geothermal Reservoir Engineering. Stanford University, Stanford, California, January 22-24.
Fiji
 
  • Viti Levu
    • Tavua Gold Field
      • Vatukoula
J.M. Boirat and J. Lum, Chron. Rech. Min., N° 486, 1987, pp 55-62, BRGM.
France
 
  • Auvergne-Rhône-Alpes
    • Cantal
      • Cantal Mts
Alfred Lacroix (1890's) Minéralogie de la France et des ses colonies. Vol
    • Haute-Loire
      • Le Puy-en-Velay
        • Espaly-Saint-Marcel
Barrier D, Pourtier G, Médard P (2004) Minéralogie du mont Denise (Haute-Loire). Le Cahier des Micromonteurs 83: 3-11.
    • Puy-de-Dôme
      • Clermont-Ferrand
        • Cournon-d'Auvergne
Aimé Rudel : "Curiosités Géologiques d'Auvergne et du Velay", Editions Volcans, 1970
      • Dallet
Aimé Rudel : "Curiosités Géologiques d'Auvergne et du Velay", Editions Volcans, 1970
Aimé Rudel : "Curiosités Géologiques d'Auvergne et du Velay", Editions Volcans, 1970
  • Ile-de-France
    • Paris
Hewins, Roger H. & 16 others (2014) The Paris meteorite, the least altered CM chondrite so far. Geochimica et Cosmochimica Acta 124: 190-222. (1 January 2014)
  • Occitanie
    • Haute-Garonne
Mason, B. H. (1966). The Enstatite Chondrites. Geochimica et Cosmochimica Acta 30, 23-30. (Jan 1966)
  • Provence-Alpes-Côte d'Azur
    • Vaucluse
      • Apt
F. Roulin et al. , 1986, 109, pp. 349-357.
Georgia
 
  • Guria Region
Ralph E. Grim (2011) Bentonites: Geology, mineralogy, properties and uses. Elsevier 256pp
Germany
 
  • Bavaria
    • Franconia
      • Fichtelgebirge
        • Kemnath
Weiss: "Mineralfundstellen, Deutschland West", 1990
      • Maroldsweisach
Wittern: "Mineralfundorte in Deutschland", 2001
    • Swabia
      • Nördlinger Ries Crater
http://geosciences.smsu.edu/geology/FieldTrips/Ries/page5.html
    • Upper Palatinate
      • Kemnath
        • Waldeck
Pöllmann et al. (2007): Aufschluss 58, 227-233.
  • Hesse
    • Cornberg
Müller, G. (1967): Contributions to Mineralogy and Petrology 14, 176-189.
    • Eschwege
Koritnig, S. (1955): Contributions to Mineralogy and Petrography 4, 504-521.
    • Vogelsberg
      • Ortenberg
  • North Rhine-Westphalia
    • Aachen
      • Stolberg
International Association of Collectors of Slag; Blaß, G. & Graf, H. W. (1995): Neufunde von Schlackenhalden in der nördlichen Eifel (II). Mineralien-Welt, 6 (3), 28-31.
    • Sauerland
      • Iserlohn
        • Letmathe
Schnorrer-Köhler, G. (1986) Neue Minerale von der Schlackenhalde der ehemaligen Zinkhütte Genna in Letmathe/Sauerland. Aufschluss 37 (2), 55-67.; Bender/Marl, D. & Krimmelbein/Altena, W. (1994) Aktuelle Übersicht: Mineralien der Zinkhütte Genna/Sauerland. Stand Juni 1994. Mineralien-Welt, 4/94, 10.
  • Rhineland-Palatinate
    • Eifel
      • Andernach
        • Nickenich
Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag München, 1983
Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag München, 1983
      • Daun
        • Oberstadtfeld
Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag München (2. Auflage), 1987
        • Schalkenmehren
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
        • Üdersdorf
Schäfer, H., Die Mineralien der Einschlüsse und Auswürflinge in den Schlacken des Emmelberges bei Üdersdorf / Eifel, Der Aufschluss 30, 273-282, 1979
Hentschel, G., Die Minerale der Üdersdorfer Lava, Lapis, Weise Verlag, München, 11/1989
      • Gerolstein
        • Roth
Blaß, G. & Schüller, W. (2012): Der Rother Kopf in der Vulkaneifel. Lapis, 37 (3), 20-29.
      • Hillesheim
        • Zilsdorf
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
      • Kelberg
        • Drees
Schüller, W., Die Mineralien des Niveligsberges bei Drees in der Eifel, Der Aufschluß SB 33, 1990
      • Manderscheid
        • Bettenfeld
S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
      • Mayen
        • Ettringen
          • Bellerberg volcano
Hentschel, G. (1975): Die Mineralien der basaltischen Gesteine im Laacher Vulkangebiet, Der Aufschluß, Vol. 26, 65-87
            • Northern Lava flow
Lehmann, J. (1877): Über die pyrogenen Quarze in den Laven des Niederrheins, Verhandlungen des naturhistorischen Vereins der preußischen Rheinlande und Westfalens, Vol. 34, Cohen Bonn, pp. 203-226
            • Southern lava flow
Lehmann, J. (1877): Über die pyrogenen Quarze in den Laven des Niederrheins, Verhandlungen des naturhistorischen Vereins der preußischen Rheinlande und Westfalens, Vol. 34, Cohen Bonn, pp. 203-226
Lehmann, J. (1877): Über die pyrogenen Quarze in den Laven des Niederrheins, Verhandlungen des naturhistorischen Vereins der preußischen Rheinlande und Westfalens, Vol. 34, Cohen Bonn, pp. 203-226
        • Hochsimmer volcano
Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag München, 1983
      • Mendig
Brauns, R., Die Mineralien der Niederrheinischen Vulkangebiete, Schweizerbart, Stuttgart, 1922
        • Bell
Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag München, 1983
        • Wingertsberg
Blass, G., Emmerich, F., Graf, HW., Tschörtner, J., Minerale der Eifelvulkane, CD, published by authors, 2006
      • Niederzissen
        • Burgbrohl
Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag München, 1983
        • Hannebach
Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag, München (2. Auflage), 1987
      • Polch
        • Ochtendung
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
Lapis 1988(7+8), 70-72
    • Lahn valley
      • Bad Ems District
        • Braubach
Schnorrer, G. (1993): Mineralogische Notizen VI. Aufschluss, 44, 44-58.
    • Palatinate
      • Wolfstein
        • Königsberg
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
  • Saxony
    • Oberlausitz
      • Görlitz
        • Königshain
Witzke, T. & Giesler, T. (2012): Fayalit, Cristobalit, Tridymit und Grunerit aus dem Königshainer Granit, Lausitz. Aufschluss, 63 (6), 301-307.
  • Thuringia
    • Gera
      • Ronneburg U deposit
T. Witzke & F. Rüger: Lapis 1998(7/8), 26-64
Greece
 
  • Aegean Islands Department (Aiyaíon)
    • Sámos Prefecture
      • Sámos Island
Econ Geol (1989)84:788-798
  • Macedonia Department
    • Serres Prefecture
      • Serres
Hezel, D.C. et al. (2006) Origin of SiO2-rich components in ordinary chondrites. Geochimica et Cosmochimica Acta 70(6): 1548-1564. (March 2006).
Hungary
 
  • Borsod-Abaúj-Zemplén Co.
    • Zemplén Mts (Tokaj Mts)
      • Erdőbénye
      • Sárospatak
Iceland
 
  • Northeastern Region
    • Myvatn
Found by Björn Mamat (inclusions in Obsidian)
Carson, G. L. (2015). Hydrothermal Acid-sulfate Alteration at Krafla and Námafjall, Ne Iceland: Implications for Gusev Crater and Meridiani Planum, Mars. Masters thesis, University of Wisconsin-Milwaukee.
India
 
  • Bihar
    • Gaya District
Malavergne, V., Guyot, F., Benzerara, K., & Martinez, I. (2001). Description of new shock‐induced phases in the Shergotty, Zagami, Nakhla and Chassigny meteorites. Meteoritics & Planetary Science, 36(10), 1297-1305.
  • Tamil Nadu
    • Madurai District
Bridges, J.C., Franchi, I.A., Hutchison, R., Morse, A.D., Long, J.V.P. & Pillinger, C.T. (1995) Cristobalite- and tridymite-bearing clasts in Parnallee (LL3) and Farmington (L5): MAPS 30(6): 715-727. (Nov 1995).
Indian Ocean
 
  • Ninety East Ridge (90° E Ridge; Indian Ridge)
    • D.S.D.P.
      • Leg 26
D. Besse et al. , Bell. Minéral. , 1981, 104, pp. 56-63.
Indonesia
 
  • Java (Jawa)
    • Yogyakarta Province
      • Gunung Merapi volcano (Mt Merapi)
Imants Kavalieros (1994) Journal of Geochemical Exploration, 50, 479-491.; Symonds, R. (1993): Scanning electron microscope observations of Merapi Volcano, Indonesia. Geochemical Journal: 26: 337-350
Israel
 
  • Negev
Gross, S. (1977): The Mineralogy of the Hatrurim Formation, Israel. Geological Survey of Israel, Bulletin no. 70, 80 pp.
Italy
 
  • Campania
    • Naples Province
      • Somma-Vesuvius Complex
        • Mt Vesuvius
Balassone, G., Franco, E., Mattia, C.A., Puliti, R. (2004): Indialite in xenolithic rocks from Somma-Vesuvius volcano (Southern Italy): crystal chemistry and petrogenetic features, American Mineralogist 89: 1-6
  • Emilia-Romagna
    • Ferrara Province
      • Cento
        • Renazzo
B. Zanda, M. Bourot-Denise & C. Perron (1991). Cr, P and Si in the Metal of Renazzo. Abstracts of the Lunar and Planetary Science Conference 22, p. 1543.
  • Latium
    • Latina Province
      • Ponza Island
E. Passaglia et al. , Eur. Journ. Mineral. , 1995, 7, pp. 429-438.
    • Viterbo Province
      • Montalto di Castro
        • Pietra Massa Locality
"Giorgio Bortolozzi (visual identification)"
      • Vico Lake
No reference listed
"Giorgio Bortolozzi (visual identification)"
  • Piedmont
    • Torino Province
      • Canavese District
        • Baldissero Canavese
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
      • Caselette
        • NE foot of Musinè Mt.
Fenoglio, M., Sanero, E., (1942-43): Sulla presenza e diffusione della cristobalite-beta negli opali dei giacimenti di magnesite delle Prealpi Piemontesi. Atti R. Acc. Sci. Torino, 78, 265-273; Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo), 607 pp.
      • Caselette/Almese/Val della Torre
Fenoglio, M., Sanero, E., (1941): I giacimenti di magnesite delle Prealpi Piemontesi. Per. Mineral., 12, 83-111; Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Amici del Museo "F. Eusebio" di Alba, Ed., Alba, 607 pp.
      • Casternone Valley
        • Givoletto
          • Mt. Baron
Fenoglio, M., and Sanero, E., (1942-43): Sulla presenza e diffusione della cristobalite-beta negli opali dei giacimenti di magnesite delle Prealpi Piemontesi. Atti R. Acc. Sci. Torino, 78, 265-273.
    • Verbano-Cusio-Ossola Province
      • Ossola Valley
        • Anzasca Valley
          • Vanzone con San Carlo
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
  • Sardinia
    • Oristano Province
      • Mt. Arci
Orlandi, P. (2011): Zibaldone di mineralogia italiana 2010. Micro, 1/2011, 39-42
  • Sicily
    • Agrigento Province (Girgenti Province)
      • Pelagie Islands (Pelagian Islands)
        • Lampedusa (Lampedusa Island)
"Giorgio Bortolozzi (visual identification)"
    • Messina Province
      • Eolie Islands (Aeolian Islands)
        • Lipari
Alessandro Cantamessa Collection
          • Vulcano Island
Campostrini, I., Demartin, F., Gramaccioli, C. M. & Russo, M. (2011): Vulcano - Tre secoli di mineralogia. Associazione Micro-mineralogia Italiana, Cremona, Italy, 344 pp.
  • Tuscany
    • Florence Province
      • Firenzuola
Planner, H. N. (1983) Phase separation in a chondrule fragment from the Piancaldoli (LL3) chondrite. IN: Chondrules and their origins. pp. 235-242. Houston: Lunar and Planetary Institute.
    • Livorno Province
Barsotti, G., & Nannoni, R. (2006). Rocce, minerali e miniere delle isole dell'Arcipelago Toscano. Pacini editore, 152 pp.
  • Veneto
    • Padova Province
      • Euganei Hills
        • Baone
Buscaroli C., Fassina, B., Sovilla, S., Tosato, F., & Dal Pozzo, C. (2007). Le fasi della silice nella trachite del Monte Cero (Colli Euganei, Padova). Rivista Mineralogica Italiana, 31 (1), 52-53.
Japan
 
  • Hokkaido
    • Hidaka Province
      • Monbetsu (Mombetsu)
Fujiwara, T. (1994): Nihon-no-Koubutsu
    • Iburi Province
Africano & Bernard (2000), Jour. Volcanology & Geothermal Research: 97: 475-495.
Africano, F., & Bernard, A. (2000). Acid alteration in the fumarolic environment of Usu volcano, Hokkaido, Japan. Journal of volcanology and geothermal research, 97(1), 475-495.
  • Honshu Island
    • Chubu Region
      • Niigata Prefecture
        • Itoigawa City
          • Ohmi
            • Hashidate
Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
      • Shizuoka prefecture
Alfredo Petrov specimens
      • Yamanashi Prefecture
Kato, A. (2009) Explanation of distributed specimens at the ordinary meeting of Mumeikai Group, No. 28 (November, 2009), 438-439.
Alfredo Petrov specimens
    • Chugoku Region
      • Okayama Prefecture
        • Takahashi City
          • Kawakami
Bernard & Hyrsl (2004) Minerals and their Localities. (Granit, Prague)
    • Kanto Region
      • Ibaraki Prefecture
        • Daigo-machi
Kato, A. (2009) Explanations of distributed specimens at the Ordinary Meeting of Mumeikai Group, #27, 416-417.
      • Kanagawa Prefecture
        • Hakone-machi
Alfredo Petrov specimens
        • Yugawara
Alfredo Petrov specimen
    • Tohoku Region
      • Akita Prefecture
        • Kosaka
          • Kosaka mine
Dr Yohachiro Okamoto collection (curated at the Geological Museum, Geological Survey of Japan).
        • Odate
Shikazono, N., Hoshino, M., Utada, M., Nakata, M., and Ueda, A. (1998): Mineralium Deposita 33, 346-358.
  • Kyushu Region
    • Fukuoka Prefecture
      • Yame City
        • Hoshino-mura
- Yuichi Morishita and Naoto Takeno (2010): Nature of the Ore-Forming Fluid at the Quaternary Noya Gold Deposit in Kyushu, Japan. Resource Geology 60, 359-376.
    • Kagoshima Prefecture
      • Hishikari mine (Hishikari gold mine)
Ibaraki, K., and Suzuki, R. (1991): Heilongjiang Geological Information 1991(3), 47-56
      • Kagoshima City
        • Sakurajima
Steve Sorrell Collection; Yamada, S. (2004) Nihonsan-koubutsu Gojuon-hairetsu Sanchi-ichiranhyou (111 pp.)
Alfredo Petrov collection
    • Nagasaki Prefecture
      • Iki Island
Noriyuki FUJII (1961) Report on Iki Clay Deposits, Iki Island. Bulletin of the Geological Survey of Japan Vol.12:647-652
    • Nansei Archipelago
      • Kagoshima Prefecture
        • Mishima village
S. Hamasaki (2002) Earth Planets Space 54, 217-229.
S. Hamasaki (2002) Earth Planets Space 54, 217-229.
S. Hamasaki (2002) Earth Planets Space 54, 217-229.
PXRD by Alfredo Petrov, 11 May 2017.
S. Hamasaki (2002) Earth Planets Space 54, 217-229.
      • Okinawa Prefecture
Tiba, T. & Saito, Y. (1974); Mem. Natn. Sci. Mus., Tokyo, 7:25-30
Kazakhstan
 
  • Akmola Province (Aqmola Oblysy; Akmolinskaya Oblast')
    • Kokshetau (Kökshetau; Kokchetau; Kokchetav)
S.L. Hwang, T.F. Yui, H.T. Chu, P. Shen, J.G. Liou, N.V. Sobolev (2013): Oriented kokchetavite compound rods in clinopyroxene of Kokchetav ultrahigh-pressure rocks. Journal of Asian Earth Sciences, 63, 56-69.; Mikhno, A. O., & Korsakov, A. V. (2015). Carbonate, silicate, and sulfide melts: heterogeneity of the UHP mineral-forming media in calc-silicate rocks from the Kokchetav massif. Russian Geology and Geophysics, 56(1), 81-99.
Mexico
 
  • Chihuahua
    • Mun. de Aquiles Serdán
Peter Megaw
  • Durango
    • Mun. de Coneto de Comonfort
      • Coneto de Comonfort
No reference listed
    • Mun. de Pánuco de Coronado
      • Francisco I. Madero
[AmMin 85:263]
  • Guanajuato
    • Mun. de Santa Catarina
      • Santa Catarina
        • Cerro de las Fajas
Am Min (1955) 40 (1-2), 64-69
  • Hidalgo
    • Mun. de Pachuca
vom Rath (1887) Neues Jahrb. Min. Bd 1 p 198
  • Jalisco
    • Colima volcanic complex
Ostrooumov, M., Arellano-Jimenez, M., Ponce, A., Taran, Y., Reyes-Gasga, J. (2008): La colimaíta, K3VS4, un nuevo mineral del volcán Colima (México). Boletín de Mineralogía, 18(1), 7-8
  • Michoacan
    • [Mun. unknown]
      • Tepoxtepec (?Tepuxtepec)
Panczner(1987):172.
    • Mun. de Coalcomám
Ref.: Revista Mexicana de Ciencias Geológicas, volumen 17, número 2, p.143-153 (2000)
  • Sonora
    • Mun. de Pitiquito
Marvin, U. B. (1962) Cristobalite in the Carbo Iron Meteorite: Nature 196: 634-636. (Nov 1962)
  • Tamaulipas
Duke, M. B & Silver, L. T. (1967) Petrology of eucrites, howardites and mesosiderites: Geochimica et Cosmochimica Acta 31:1637-1665. (Oct 1967); Sarafian, A. R., Roden, M. F. & Patiño-Douce, A. E. (2013) The volatile content of Vesta: Clues from apatite in eucrites. Meteoritics & Planetary Science 48 (11): 2135-2154. (Nov 2013)
Mozambique
 
  • Zambezia Province
    • Alto Ligonha District
Thomas, R., Davidson, P. (2010): Hambergite-rich melt inclusions in morganite crystals from the Muiane pegmatite, Mozambique and some remarks on the paragenesis of hambergite. - Mineralogy and Petrology, 100, 3-4, 227-23
Namibia
 
  • Erongo Region
    • Karibib District
Von Bezing, L., Bode, R., and Jahn, S., (2008) Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern. 331 (in English).
  • Khomas Region
    • Windhoek District
[AmMin 84:193]
New Zealand
 
  • Kermadec Islands
de Ronde, C.E.J.; Hannington, M.D.; Stoffers, P.; Wright, I.C.; Ditchburn, R.G.; Reyes, A.G.; Baker, E.T.; Massoth, G.J.; Lupton, J.E.; Walker, S.L.; Greene, R.R.; Soong, C.W.R.; Ishibashi, J.; Lebon, G.T.; Bray, C.J.; Resing, J.A. 2005 Evolution of a submarine magmatic-hydrothermal system : Brothers volcano, southern Kermadec arc, New Zealand. Economic geology, 100(6): 1097-1133
Muiruru F.G. (1985) Hot spring and rock samples from Curtis Island Volcano, Kermadec Group. Unpub. paper Geothermal Institute, University of Auckland
  • North Island
    • Auckland
      • Waitakere Ranges
Rod Martin personal collection
    • Bay of Plenty
http://www.mightyriver.co.nz/content/599/CR%202005-20%20-%20Geoscientific%20Review%20of%20Kawerau%20Geothermal%20Field.pdf
      • Rotorua
Econ Geol (1985) 80:1640-1668
    • Manawatu-Wanganui
      • Tongariro National Park
Rod Martin personal collection
Johnstone, R. D. 1979, Fumarole Incrustations and Some Aspects of the Thermal Alteration at Ketetahi, Mount Tongariro, New Zealand. Geothermal Institute, University of Auckland, New Zealand
The Ngatamariki Geothermal Field, NZ: Surface Manifestations - Past and Present. Brotheridge, J.M.A. Browne, P.R.L. Hochstein, M.P. Proceedings 17th NZ Geothermal Workshop 1995 p61
    • Northland
      • Kaipara
Mason, B. (1957): Larnite, scawtite, and hydrogrossular from Tokatoka, New Zealand. American Mineralogist 42, 379-392.
    • Waikato
      • Hauraki
        • Waihi
Simpson, Mauk, & Simmons, 2001, Hydrothermal Alteration and Hydrologic Evolution of the Golden Cross Epithermal Au-Ag Deposit, Economic Geology 96, pp773-796
Rabone, S. D. C., Moore, D. H., & Barker, R. G. (1989). Geology of the Wharekirauponga epithermal gold deposit, Coromandel region. Australasian Institute of Mining and Metallurgy Monograph, 25, 93-99.
      • Taupo
        • Lake Taupo
Thornton, J. (Ed.), The Micro-Scope, No. 41, February 2002
Stevenson RJ, Briggs RM, Hodder APW 1994. Physical volcanology and emplacement history of the Ben Lomond rhyolite lava flow, Taupo Volcanic Centre, New Zealand. New Zealand Journal of Geology and Geophysics 37
Collection of RJ Martin
Essence of Microscope, 2004
  • South Island
    • Canterbury
      • Banks peninsula
Rod Martin personal collection
    • Clutha-Central Otago
Railton, G.L. & Watters, W.A., Minerals of New Zealand, New Zealand Geological Survey Bull. #104 (1990).
Cody, A.D. and Grammer, T.R. (1979) Magnesian halotrichite from White Island. N.Z.J. Geol. Geophys., 22(4), 495-8.
Nicaragua
 
  • León Department
Hynek, B. M., McCollom, T. M., Marcucci, E. C., Brugman, K., & Rogers, K. L. (2013). Assessment of environmental controls on acid‐sulfate alteration at active volcanoes in Nicaragua: Applications to relic hydrothermal systems on Mars. Journal of Geophysical Research: Planets, 118(10), 2083-2104.
Hynek, B. M., McCollom, T. M., Marcucci, E. C., Brugman, K., & Rogers, K. L. (2013). Assessment of environmental controls on acid‐sulfate alteration at active volcanoes in Nicaragua: Applications to relic hydrothermal systems on Mars. Journal of Geophysical Research: Planets, 118(10), 2083-2104.
Hynek, B. M., McCollom, T. M., Marcucci, E. C., Brugman, K., & Rogers, K. L. (2013). Assessment of environmental controls on acid‐sulfate alteration at active volcanoes in Nicaragua: Applications to relic hydrothermal systems on Mars. Journal of Geophysical Research: Planets, 118(10), 2083-2104.
Hynek, B. M., McCollom, T. M., Marcucci, E. C., Brugman, K., & Rogers, K. L. (2013). Assessment of environmental controls on acid‐sulfate alteration at active volcanoes in Nicaragua: Applications to relic hydrothermal systems on Mars. Journal of Geophysical Research: Planets, 118(10), 2083-2104.
Nigeria
 
  • Adamawa State
Alan E. Rubin (2010). Impact melting in the Cumberland Falls and Mayo Belwa aubrites. Meteoritics & Planetary Science 45, #2, 265-275.
Pacific Ocean
 
  • Kermadec-Tonga trench
A. G. Reyes, C.E.J. DE Ronde, and C. W. R. Soong (2004) a Submarine Magmatic-hydrothermal System at Brothers Volcano, Kermadecs. Proceedings 26th NZ Geothermal Workshop pp 46-52
Pakistan
 
  • Punjab
Mason, B. H. (1966). The Enstatite Chondrites. Geochimica et Cosmochimica Acta 30, 23-30. (Jan 1966)
Kimura, M., Weisberg, M. K., Lin, Y., Suzuki, A., Ohtani, E. & Okasaki,R. (2005) Thermal history of the enstatite chondrites from silica polymorphs: Meteoritics & Planetary Science 40 (6): 855–868. (June2005)
Papua New Guinea
 
  • Bismarck Sea
    • Manus Basin
Vanko, D. A., Bach, W., Roberts, S., Yeats, C. J., & Scott, S. D. (2004). Fluid inclusion evidence for subsurface phase separation and variable fluid mixing regimes beneath the deep‐sea PACMANUS hydrothermal field, Manus Basin back arc rift, Papua New Guinea. Journal of Geophysical Research: Solid Earth, 109(B3).
  • Morobe Province
Econ Geol (1984) 79:638-655
  • West New Britain Province
Lowder, G.G. (1970): Contributions to Mineralogy and Petrology 26, 324-340.
Peru
 
  • Cajamarca Department
    • Cajamarca Province
      • Cajamarca
Dill, H.G., Bosse, H.-R., Henning, K.-H., Fricke, A., and Ahrendt, H. (1997): Mineralium Deposita 32, 149-163.
Dill, H.G., Bosse, H.-R., Henning, K.-H., Fricke, A., and Ahrendt, H. (1997): Mineralium Deposita 32, 149-163.
Poland
 
  • Lower Silesia (Dolnośląskie)
    • Sudetes Mts
      • West Sudetes Mts.
        • Orlica-Śnieżnik Dome
Ferrero, S., Ziemann, M.A., Angel, R.J., O'Brien, P.J., Wunder, B. (2015): Kumdykolite, kokchetavite, and cristobalite crystallized in nanogranites from felsic granulites, Orlica-Śnieżnik Dome (Bohemian Massif): not evidence for ultrahigh-pressure conditions. Contributions to Mineralogy and Petrology: 171(3): 2-13
  • Lubelskie
    • Zamość
Ma, C., Beckett, J. R. & Rossman, G. R. (2012) Discovery of Buseckite, (Fe,Zn,Mn)S, a New Mineral in Zaklodzie, an Ungrouped Enstatite-Rich Achondrite. Lunar and Planetary Science Conference XLIII. LPI Contribution No. 1659, id.1520. (March 2012)
Portugal
 
  • Lisbon District
    • Sintra
      • Montelavar
Rui Nunes collection 2011/2012
Romania
 
  • Brașov Co.
    • Racoş Commune
Szakáll, S., Kristály, F., 2010. Mineralogy of Székelyland, Eastern Transylvania, Romania. Sfântu Gheorghe-Miercurea Ciuc-Târgu Mureş. 2010.
  • Harghita Co.
    • Odorheiu Secuiesc (Székelyudvarhely; Oderhellen)
      • Racoş (Racoşu de Jos)
Szakáll, S. & Kristály, F., Eds. (2010): Mineralogy of Székelyland, Eastern Transylvania, Romania. Csík County Nature and Conservation Society, Miercurea-Ciuc, Romania, 321 pp.
  • Mureş Co.
Michel‐Lévy, M. C. (1988). A New Component of the Mezö‐Madaras Breccia: A Microchondrule‐and Carbon‐Bearing L‐Related Chondrite. Meteoritics, 23(1), 45-48.; Fuchs, L.H. (1968) X-ray crystallographic evidence for the meteoritic occurrence of nepheline. Earth and Planetary Science Letters 5: 187-190.
Russia
 
  • Eastern-Siberian Region
    • Krasnoyarsk Territory (Krasnoyarsk Kray; Krasnoyarskii Krai)
      • Anabarskii massif
        • Popigai river
Masaitis, V. L. (1998). Popigai crater: Origin and distribution of diamond‐bearing impactites. Meteoritics & Planetary Science, 33(2), 349-359.
  • Far-Eastern Region
    • Kamchatka Oblast'
M. Zelenski et al.: Am. Min. 91:21-28 (2006); American Mineralogist, Volume 94, pages 1312–1324, 2009
No reference listed
Active Volcanoes of Kamchatka, vol 2, p 140, S.A. Fedotov
Pavel M. Kartashov analytical data (1984)
    • Magadanskaya Oblast'
      • Kolyma River Basin
        • Degdekan rivulet
Plyashkevich, A.A., Minyuk, P.S., Subbotnikova, T.V., Alshevsky, A.V. (2016): Newly Formed Minerals of the Fe–P–S System in Kolyma Fulgurite. Transactions (Doklady) of the Russian Academy of Sciences/Earth Science Section: 467" 380-383; http://forum.amiminerals.it/viewtopic.php?f=5&t=12916&sid=9b89d03bd5ce87f39ba8564967753056 (2016)
    • Primorskiy Kray
Vysotskiy, S. V., Galkin, N. G., Barkar, A. V., Chusovitin, E. A., & Karabtsov, A. A. (2010). Hydrothermal precious opals of the Raduzhnoe deposit, north Primorye: The nature of the opalescence. Russian Journal of Pacific Geology, 4(4), 347-354.
    • Sakhalinskaya Oblast'
      • Kuril Islands (Kurile Islands)
        • Iturup Island
http://maurice.strahlen.org/kurilles/kurilles.htm
  • Northern Caucasus Region
    • Kabardino-Balkarian Republic
      • Elbrus Mt
Gurbanov, A.G., Bogatikov, O.A., Dokuchaev, A.Y., Gazeev, V.M., Abramov, S.S., Groznova, E.O., and Shevchenko, A.V. (2008): Geology of Ore Deposits 50(3), 199-217.
  • Northern Region
    • Murmanskaja Oblast'
      • Kola Peninsula
www.koeln.netsurf.de/~w.steffens/khib.htm
        • Lovozero Massif
N.V. Chukanov, I.V. Pekov, A.E. Zadov, S.V. Krivovichev, P.C.Burns, Yu. Schneider (2001): Organovaite-Mn,K2Mn(Nb,Ti)4(Si4O12)2(O,OH)4·6H2O, a new labuntsovite-group mineral from the Lovozero massif, Kola Peninsula. Zap. Vseross. Mineral. Obshch., 130(2), 46­53
Pekov, I. V., Chukanov, N. V., Yamnova, N. A., Zadov, A. E., & Tarassoff, P. (2007). Gjerdingenite-Na and gjerdingenite-Ca, two new mineral species of the labuntsovite group. The Canadian Mineralogist, 45(3), 529-539
  • Urals Region
    • Southern Urals
      • Chelyabinsk Oblast'
Cesnokov, B., Kotrly, M. and Nisanbajev, T. (1998): Brennende Abraumhalden und Aufschlüsse im Tscheljabinsker Kohlenbecken - eine reiche Mineralienküche. Mineralien-Welt, 9 (3), 54-63 (in German).
Sahara Desert
 
Lehner, S. W., McDonough, W. F., & Németh, P. (2014). EH3 matrix mineralogy with major and trace element composition compared to chondrules. Meteoritics & Planetary Science, 49(12), 2219-2240.
Saint Lucia
 
  • Choc
M. Le Guen de Kerneizon et al. , Bull. Minéral. , 1982, 105, pp. 203-211.
  • Grande Rivière Village
    • Morne Serpent hill
M. Le Guen de Kerneizon et al. , Bull. Minéral. , 1982, 105, pp. 203-211.
  • Soufriere
Goff, F., & Vuataz, F. D. (1984). Hydrogeochemistry of the Qualibou Caldera geothermal system, St. Lucia, West Indies. Trans. Geotherm. Res. Council.
Slovakia
 
  • Banská Bystrica Region
    • Banská Bystrica Co.
Ďuďa R., 1996: Slovenské opály. Minerál,Brno, IV, 4, 254 - 258
Ďuďa R.,Kotuľak P., Káňa R., 1993: Bergbau und Mineralien von Banská Štiavnica (Schemnitz), Slowakei. Emser Hefte, 14, 3, 1-70, Haltern
      • Banská Štiavnica (Schemnitz)
Lexa, J., Štohl, J., and Konečný, V. (1999): Mineralium Deposita 34, 639-654.
Lexa, J., Štohl, J., and Konečný, V. (1999): Mineralium Deposita 34, 639-654.
    • Detva Co.
Rojkovičová,Ľ., 1982: Rudná mineralizácia v Javorí. Min.Slovaca, 14,5,461 – 470
    • Krupina Co.
      • Hontianske Nemce
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    • Žarnovica Co.
      • Žarnovica
Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
    • Žiar nad Hronom Co.
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
Ďuďa R., 1993 : Die mineralien der Gold und Silber - lagersttäte von Kremnitz ( Kremnica) in der Slowakei. Mineralien Welt /Haltern,Nemecko/,5, s. 20 - 32
Pauliš,P.,Ďuďa,R.,2002: Nejzajímavejší mineralogická naletište Slovenska. Kuttna,K.Hora, 136p
  • Košice Region
    • Košice Co.
      • Družstevná pri Hornáde
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
    • Michalovce Co.
      • Michalovce (Großmichel)
Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    • Sobrance Co.
Bacsó,Z.,Ďuďa,R.,1988: Metalogenéza a rudné formácie rudného poľa Remetské Hámre. Min.Slovaca,Bratislava, 3, 193-220p
    • Trebišov Co.
Pauliš P., Ďuďa R., 2002: Nejzajimavejší mineralogická nalezište Slovenska. Kuttna, Kutná Hora, 134p.
Koděra, P., Rojkovičová, Ľ.,Košárková, M., 1998: Mineralógická správa lokality Byšta, Au-Ag. Manuscript, Archiv Geofond, Bratislava, 68 p
Kaličiak, M., Ďuďa, R., 1996: Geolgický vývoj, stavba a metalogenéza neovulkanitov na Východnom Slovensku. Manuskript, Archív Geofond, Bratislava, 83p
  • Nitra Region
    • Levice Co.
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
  • Prešov Region
    • Prešov Co.
      • Červenica
        • Dubník
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
Ďuďa,R., et al., 1981: Mineralógia severnej časti Slanských vrchov. Min.Slovaca, Monografia 2, 98s
Duda et all.,:Mineralógia severnej časti Slanských vrchov. Min.Slovaca,Monografia 2,Bratislava, 98 p
      • Vyšná Šebastová
Ďuďa,R., et al., 1981: Mineralógia severnej časti Slanských vrchov. Min.Slovaca, Monografia 2, 98s
Duda et. all.,1981:Minerály severnej časti Slanských vrchov. Min.Slovca,Monografia 2,Bratislava, 98 p
    • Snina Co.
Pauliš,P.,Ďuďa,R.,2002: Nejzajímavejší mineralogická naletište Slovenska. Kuttna,K.Hora, 136p
    • Vranov nad Topľou Co.
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
Ďuďa,R., et al., 1981: Mineralógia severnej časti Slanských vrchov. Min.Slovaca, Monografia 2, 98s
South Africa
Cairncross, B. and Dixon, R., (1995), Minerals of South Africa.
Spain
 
  • Andalusia
    • Almería
      • Níjar
        • El Hoyazo
lapis-2005-10-13
  • Balearic Islands
    • Majorca
      • Llucmajor
Onac, B.P., Fornós, J.J., Merino, A., Ginés, J., Diehl, J. (2014): Linking mineral deposits to speleogenetic processes in Cova des Pas de Vallgornera (Mallorca, Spain). International Journal of Speleology, 43, 2, 143-157.
  • Madrid
    • Madrid
      • Vallecas
Ruishi Yang and Wenguang Li (2001): Geology of Chemical Minerals 23(1), 25-30
Switzerland
 
  • Ticino (Tessin)
    • Malcantone
      • Alto Malcantone
        • Breno
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 126.
Tunisia
 
  • Tataouine Governorate
    • Tataouine (Foum Tatahouine)
AmMin 87:1245
Turkey
 
  • Aegean Region
    • Izmir Province
KARACIK, ZEKİYE; GENÇ, S. CAN; ESENLİ, FAHRİ; GÖLLER, GÜLTEKIN. (2011) he Gümüldür Fire Opal: Mode of Occurrence and Mineralogical Aspects. Turkish Journal of Earth Sciences. Jan/Feb2011, Vol. 20 Issue 1, p99-114.
    • Kütahya Province
Bernasconi, A., Glover, N., & Viljoen, R. P. (1980). The geology and geochemistry of the senator antimony deposit—Turkey. Mineralium Deposita, 15(3), 259-274.
  • Central Anatolia Region
    • Eskişehir Province
      • Mihaliççik
Echle, W. (1967): Contributions to Mineralogy and Petrology 14, 86-101.
      • Sivrihisar
Yahya Çiftçi, M. Kemal Revan, Pınar Şen & Okan Zimitoğlu (2013). International Workshop on Base and Precious Metals May 20 - 27, 2013 Field Trip Guide Book May 24-27, 2013.
  • Marmara Region
    • Balikesir Province
      • Mumcu
Oygür, V. (1997). Anatomy of an epithermal mineralization: Mumcu (Balikesir-Sindirgi), Inner Western Anatolia, Turkey. Mineral Research Exploration Bulletin, 119, 29-39.
Turkmenistan
 
  • Ahal Province (Akhal Province)
Ivanova, M.A., Kononkova, N.N., & Petaev, M.I. (1993) Silica-bearing objects in the Dengli H3.8 and Gorlovka H3-4 chondrites: Lunar and Planetary Science Conference, XXIV. Part 2: G-M: 697-698. (March 1993).
UK
 
  • England
    • Co. Durham
      • North Pennines
        • Derwent Valley
          • Castleside
Norman Wilson Personal Collection
    • Cornwall
      • St Austell District
        • St Stephen-in-Brannel
          • Melbur
Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
  • Northern Ireland
    • Co. Antrim
      • Larne
Ryback, G., Nawaz, R. and Farley, E. (1988) Seventh Supplementary List of British Isles Minerals (Irish). Mineralogical Magazine, vol. 52, n° 365, pp. 267-274.
      • Portrush
BMS Database
Agrell, S. O. and Langley, J. M. (1958) Proc. R. Irish Acad. 59B, 93-127.; Ryback, G., Nawaz, R. and Farley, E. (1988) Seventh Supplementary List of British Isles Minerals (Irish). Mineralogical Magazine, vol. 52, n° 365, pp. 267-274.
  • Scotland
    • Outer Hebrides
Sabine, P.A. (1960) The geology of Rockall, North Atlantic. Bull. Geol. Surv. G. B. 16, 166. [M.A. 14, 507.]; Young, B.R., Hawkes, J.R., Merriman, R.J. and Styles, M.T. (1978) Bazirite, BaZrSi3O9, a new mineral from Rockall Island, Inverness-shire, Scotland. Mineralogical Magazine, vol. 42, n° 321, 35-40.; Livingstone, A. and Macpherson, H.G. (1983) Fifth supplementary list of British minerals (Scottish). Mineralogical Magazine, vol. 47, n° 342, p. 99-105.; Ryback, G., Nawaz, R. and Farley, E. (1988) Seventh Supplementary List of British Isles Minerals (Irish). Mineralogical Magazine, vol. 52, n° 365, pp. 267-274.
Ukraine
 
  • Zhytomyr Oblast' (Zhitomir Oblast')
Lyckberg, P., Chornousenko, V. & Wilson, W. E. (2009): Volodarsk-Volynski, Zhitomir Oblast, Ukraine. Mineralogical Record, 40, 473-506.
USA
 
  • Alabama
    • Clarke Co.
Rocks & Min 70:5 pp 320-333
    • Lowndes Co.
Rocks & Min 70:5 pp 320-333
  • Arizona
    • Coconino Co.
      • Winslow
        • Meteor Crater and vicinity
Space Science Reviews, Volume 14, Issue 6, pp.758-831
    • Mohave Co.
MRDS file #10056434.
    • Pima Co.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 192, 402; Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 86, 108.
  • Arkansas
    • Garland Co.
      • Wilson Springs (Potash Sulfur Springs)
        • Union Carbide Mine
R&M 70:3 pp 154-170
R&M 70:3 pp 154-170
  • California
    • Contra Costa Co.
      • Diablo Range
        • Clayton
          • Mount Diablo State Park
            • Mount Diablo (Mt Diablo)
White, D.E. (1967) Mercury and base-metal deposits with associated thermal and mineral waters. In: H.L. Barnes (Editor), Geochemistry of hydrothermal ore deposits. Holt Reinhart and Winston, New York: 591; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 351.
    • Imperial Co.
      • Salton Sea
Rogers, Austin Flint (1925), Geology of Cormorant Island, Salton Sea, Imperial County, California, …(abstract): Geological Society of America Bulletin: 37: 219; Rogers, Austin Flint (1928), Natural history of the silica minerals: American Mineralogist: 13: 219; Rogers, Austin Flint (1935), Salton volcanic domes of Imperial County, California (abstract): Geological Society of America, Proceedings, 1934: 328; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 162, 372; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 351.
    • Inyo Co.
      • Coso Mts (Coso Range)
        • Coso District (New Coso District)
          • Sugarloaf Mountain
Rogers, Austin Flint (1922), A new occurrence of cristobalite in California: Journal of Geology: 30: 211-216; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 162.
Pemberton, H. Earl (1983), Minerals of California: 351, 457.
      • Lake Tecopa Basin
Starkey, H.C. and Blackmon, P.D. (1979) Clay mineralogy of Pleistocene Lake Tecopa, Inyo County, California. USGS Professional Paper 1061, 34 pp.: 18; Pemberton, H. Earl (1983), Minerals of California: 351 & 353.
    • Kern Co.
Murata, K.J. and Randall, R.G. (1975) Slica mineralogy and structure of the Monterey shale, Tremblor Range, California. USGS Jour. Res.: 3: 567-572; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 353.
    • Lake Co.
      • Sulphur Creek District (Sulfur Creek District; Wilbur Springs District)
        • Clear Lake Oaks
White, D.E. & C.E. Roberson (1962), Sulphur Bank, California: Geological Society of America Buddington Memorial Volume: Petrologic studies: 407; White, D.E. (1967) Mercury and base-metal deposits with associated thermal and mineral waters. In: H.L. Barnes (Editor), Geochemistry of hydrothermal ore deposits. Holt Reinhart and Winston, New York: 579; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 353; Economic Geology (1997): 92: 20-28.
    • Los Angeles Co.
      • Lang
mineralsocal.org
      • Palmdale
        • Hunt Canyon
Pemberton, H. Earl and Alexander, G.S. (1968) A new zeolite locality – overlooked 115 years ago. Mineral Explorer 2, 8 pp.: 7; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 353-354.
      • Santa Monica Mts
        • Agoura Hills
M.Chorazewicz collection
R. Housley, pers.comm., SEM-EDS verified, 2015
R. Housley, pers.comm., SEM-EDS verified, 2015
Rader, W.L. (1998), Zeolite-group minerals of the Conejo Volcanics, Santa Monica Mountains, Los Angeles and Ventura Counties. Mineral News: 14(9): 1-10.
    • Mariposa Co.
      • Yosemite National Park
        • Mount Hoffman
Powers, Howard Adorno (1932), The lavas of the Modoc Lava Bed quadrangle, California: American Mineralogist: 17: 272, 407; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 162; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 354.
    • Mono Co.
Cleveland, G.B. (1962), Geology of the Little Antelope Valley clay deposits, Mono County, California: California Division Mines & Geology, Special Report 72: 19; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 162.
      • Long Valley District
        • Casa Diablo Hot Springs
Rogers, Austin Flint (1928), Natural history of the silica minerals: American Mineralogist: 13: 82; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 162; ; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 354.
      • Mono Craters
Loney, R.A. (1968) Flow structure and composition of the Southern Coulee, Mono Craters, California – a pumaceous rhyolite flow. Geological Society of America Memorandum 116: 423, 428; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 354, 361.
    • Napa Co.
      • Mayacmas Mts (Mayacamas Mts)
        • East Mayacmas District
          • Pope Valley
White, D.E. (1967) Mercury and base-metal deposits with associated thermal and mineral waters. In: H.L. Barnes (Editor), Geochemistry of hydrothermal ore deposits. Holt Reinhart and Winston, New York: 589; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 354.
    • Nevada Co.
      • Donner Lake
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 163.
    • Plumas Co.
Rogers, Austin Flint (1933), Anauxite as a secondary mineral in some volcanic rocks of California and Arizona. Geological Society of America Bulletin: 44: 159-160; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 163.
      • Two Rivers
Murdoch, Joseph (1942), Crystallographic notes, cristobalite, stephanite, natrolite: American Mineralogist: 27: 500-506; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 163.
    • Riverside Co.
      • Crestmore
[micromounts@yahoogroups.com]
Rogers, A. F. (1946). Sand fulgurites with enclosed lechatelierite from Riverside County, California. The Journal of Geology, 117-122.
Rogers, Austin Flint (1946), Sand fulgurites with enclosed lechatelierite from Riverside County, California: Journal of Geology: 54: 117-122; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 163, 241.
    • San Bernardino Co.
      • Lavic
Hewett, Donnel Foster (1964), Veins of hypogene manganese oxide minerals in the southwestern United States: Economic Geology: 59: 1449; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 354.
    • San Luis Obispo Co.
Murata K.J., Dibblee, T.W., and Drinkwater, J.L. (1979) Thermal effects of large bodies of intrusive serpentine on overlying Monterey shale, southern Diablo Range, Cholame area, California. USGS Professional Paper 1082, 8 pp.: 1-8; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 354.
    • Santa Barbara Co.
      • Lompoc
Henderson, J.H., Jackson, M.L., Syers, J.K. Clayton, R.N., And Rex, R.W. (1971) Cristobalite authigenic origin in relation to montmorillonite and quartz origin in bentonite. Clays and Clay Minerals: 19: 232-233; Pemberton, H. Earl (1983), Minerals of California: 354.
    • Santa Clara Co.
      • Diablo Range
        • Black Wonder District
          • Mount Hamilton
            • San Antonio Valley
www.mineralsocal.org
        • Mount Hamilton
          • East Mount Hamilton area
Cooper, J.F. & G.E. Dunning (1972), Melanophlogite from Mount Hamilton, Santa Clara County, California: American Mineralogist: 57: 1495; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 354.
    • Shasta Co.
      • Cascade Range
        • Lassen Volcanic National Park
Robert G. Lee, John H. Dilles, David A. John, Tanya L. Abela (2005) The mineralogy and origin of hydrothermally altered Quaternary volcanic rocks on the south flank of Lassen volcano, California: Interim report for USGS Mineral Resource External Research Program grant of $42,000 in FY 2005
        • Shingletown
          • Black Butte
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 163.
    • Siskiyou Co.
      • Cascade Range
        • Cougar Butte
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 163; Rice, S.J. (1969) Quartz family minerals. California Division of Mines and Geology Mineral Information Service: 22: 35-38; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 354.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 181; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 459.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 163.
    • Sonoma Co.
      • Coast Range
        • Warm Springs Dam
          • Skaggs Springs
White, D.E. (1967) Mercury and base-metal deposits with associated thermal and mineral waters. In: H.L. Barnes (Editor), Geochemistry of hydrothermal ore deposits. Holt Reinhart and Winston, New York: 590; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 355.
    • Tehama Co.
      • Bend
Rogers, Austin Flint (1918a), The occurrence of cristobalite in California: American Journal of Science, 4th. Series: 45: 222-226; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 163.
    • Trinity Co.
      • Klamath Mts
        • Hyampom
Lydon, Philip Andrew (1964), Unusual phosphatic rock: California Division of Mines & Geology, Mineral Information Service: 17: 67; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 80; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 317, 355.
    • Tuolumne Co.
      • Mother Lode Belt
        • Jamestown District
          • Jamestown
Rogers, Austin Flint (1918a), The occurrence of cristobalite in California: American Journal of Science, 4th. Series: 45: 224; Rogers, Austin Flint (1928), Natural history of the silica minerals: American Mineralogist: 13: 85; Rogers, Austin Flint (1932), Anauxite as a secondary mineral in some volcanic rocks of California and Arizona (abstract): Pan-American Geologist: 58: 72-73; […Geological Society of America Bulletin: 44: 159-160 (1933)]: 160; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 163.
  • Colorado
    • Chaffee Co.
Minerals of Colorado (1997) Eckels, E. B.
      • Nathrop
("Minerals of Colorado, updated & revised", by Eckel, Edwin B., 1997)
    • Conejos Co.
      • Manassa
Minerals of Colorado (1997) E.B. Eckels
    • Grand Co.
      • Grand Lake District (Wolverine District)
Minerals of Colorado (1997) Eckels, E. B.
    • Kit Carson Co.
Mason, B. H. (1966). The Enstatite Chondrites. Geochimica et Cosmochimica Acta 30, 23-30. (Jan 1966).
    • Mineral Co.
      • Creede District
Minerals of Colorado (1997) E.B. Eckels
    • Ouray Co.
Minerals of Colorado (1997) Eckels, E. B.
    • Rio Grande Co.
      • Jasper
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Minerals of Colorado (1997) Eckels, E. B.
Minerals of Colorado (1997) Eckels, E. B.
  • Florida
    • Polk Co.
      • Central Florida Phosphate District (Bone Valley)
        • Homeland
Denicourt, R., Micromounters of New England program, NE meeting program, May 1984
  • Georgia
    • Bibb Co.
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
  • Hawaii
    • Hawaii Co. (Hawaii Island)
      • Kilauea Volcano
Dunham, K.C. (1933) The American Mineralogist, 18, 384. (from a Palache specimen at Harvard)
    • Honolulu Co.
      • Oahu Island
        • Kailua
Fujishima, K.Y. and Fan, P-F (1977) Hydrothermal mineralogy of Keolu Hills, Oahu, Hawaii. American Mineralogist, 62, 574-582.
    • Maui Co.
      • Maui
        • Lahaina
          • Ukumehame valley
in the collection of Christof Schäfer
  • Kansas
    • Washington Co.
Grady, M.M (2000). Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge; New York; Oakleigh; Madrid; Cape Town. 689 pages. ; Binns, R. A. (1967) Farmington meteorite: Cristobalite xenoliths and blackening. Science 156: 1222- 1226.
  • Kentucky
Olive,Wilds W.,and Flinch,Warren L.,(1969) Stratigraphic and Mineralogic Relations and Ceramic Properties of Clay Deposits of Eocene Age in the Jackson Purchase Region,Kentucky and in Adjacent Parts of Tennessee :USGS Bulletion 1282
  • Massachusetts
    • Franklin Co.
      • Rowe
Cerato, A.. 2003: Mineralogical Study of Davis Mine, Rowe, MA, Using X-Ray Diffraction Techniques
  • Mississippi
    • Tippah Co.
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.
  • Missouri
    • Camden Co.
R&M 73:2 pp 98-117
  • Nevada
    • Churchill Co.
      • Wild Horse District
        • Shoshone Canyon
NBMG Spec. Pub. 31 Minerals of Nevada
    • Eureka Co.
      • Beowawe District
Econ Geol (1984) 79:759-767
NBMG Spec. Pub. 31 Minerals of Nevada
    • Humboldt Co.
NBMG Spec. Pub. 31 Minerals of Nevada
      • Opalite District
Bull. Soc. Franç. Minéralo. Cristallo. , 1974, 97, p. 501.
      • Sulphur District
        • Sulphur
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10040609.
      • Virgin Valley
NBMG Spec. Pub. 31 Minerals of Nevada
    • Lander Co.
Rocks & Minerals, Nov. 1999; Fries, Carl, Jr., Tin deposits of northern Lander County, Nevada. USGS Bulletin 931-L, p. 279-294, illus., 1942.
    • Mineral Co.
      • Borealis District
NBMG Spec. Pub. 31 Minerals of Nevada
    • Nye Co.
      • Paradise Range
        • Paradise Peak District
Econ Geol (1994) 89:1228-1248
          • Paradise Peak [summit]
            • Paradise Peak [town]
Econ Geol (1994) 89:1228-1248
NBMG Spec. Pub. 31 Minerals of Nevada
    • Pershing Co.
      • Antelope District
        • Lovelock
NBMG Spec. Pub. 31 Minerals of Nevada
    • Storey Co.
NBMG Spec. Pub. 31 Minerals of Nevada
    • Washoe Co.
      • Pyramid District
NBMG Spec. Pub. 31 Minerals of Nevada; Nevada Bureau of Mines and Geology NBMG Open-File Report 96-3 By Stephen B. Castor, Christopher D. Henry, Lisa A. Shevenell
      • Steamboat Springs District
NBMG Spec. Pub. 31 Minerals of Nevada
NBMG Spec. Pub. 31 Minerals of Nevada
NBMG Bull 70 Geology and Mineral Resources of Washoe and Storey Counties, Nevada
    • White Pine Co.
      • Robinson District
        • Ely
NBMG Spec. Pub. 31 Minerals of Nevada
  • New Jersey
    • Middlesex Co.
AmMin 10:152-155
  • New Mexico
    • Bernalillo Co.
Northrop, Minerals of New Mexico, 3rd rev. ed., 1996
    • Catron Co.
Minerals of New Mexico 3rd ed.
NMGS 37th Field Conference
NMGS 37th Field Conference
        • Sawmill Creek
NMGS 37th Field Conference
    • Cibola Co.
Minerals of New Mexico 3rd ed.
    • Grant Co.
Minerals of New Mexico 3rd ed.
Northrop, Minerals of New Mexico, 3rd rev. ed., 1996
    • Rio Arriba Co.
Northrop, Minerals of New Mexico, 3rd rev. ed., 1996
    • Sandoval Co.
Minerals of New Mexico 3rd ed.
      • Jemez Sulfur District
Minerals of New Mexico 3rd ed.
      • Valle Grande
Minerals of New Mexico 3rd ed.
    • Sierra Co.
Isik, I., Clark, K. F., Austin, G. S. (1994) Geology and Alteration of the Kline Mountain Kaolin Deposit, Sierra County, New Mexico. New Mexico Geological Society Guidebook, 45th Field Conference, Mogollon Slope, west-central New Mexico
Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
NMGS 37th Field Conference
NMGS 37th Field Conference
    • Socorro Co.
Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996)
    • Taos Co.
      • No Agua District
Ramon DeMark and Jessie Kline, New Mexico Mineral Symposium, November 2000
Minerals of New Mexico 3rd ed.
  • New York
    • Warren Co.
      • Bullhead Mountain
        • Thirteenth Lake
Walter, P.J., et al (1999) An Occurrence of Cristobalite in Adirondack Garnet. Rocks and Minerals, 74, 191
      • North River
Darling, Robert, I-Ming Chou and Robert J Bodnar Occurrence of Metastable Christobalite in High Pressure Garnet Granulite. Science, vol 26, 4 April 1997 p 91-93
Walter, P.J., et al (1999) An occurrence of cristobalite in Adirondack garnet. Rocks and Minerals, 74, 191.
  • Oregon
    • Deschutes Co.
      • East Lake
Mineralogy of 10 Geothermal boreholes drilled in and around the Newberry Caldera U.S. Geological Survey Professional Paper, Issue 1578 By Keith E. Bargar, Terry E. C. Keith 1999
    • Douglas Co.
"Dan Costian" Collection
Micro Probe Volume X Number 2
    • Harney Co.
      • Pueblo District (Denio District)
Nevada Bureau of Mines and Geology NBMG Open-File Report 96-3 By Stephen B. Castor, Christopher D. Henry, Lisa A. Shevenell
    • Hood River Co.
Marshall W. Gannett and Keith E. Bargar; 1981 Volcanic stratigraphy and secondary mineralization of USGS Pucci geothermal test well, Mount Hood, Oregon, Open-File Report 81-1330.
    • Klamath Co.
Kleck. W. D. (1970): Cavity Minerals At Summit Rock. American Mineralogist. 55, 1396-1404
    • Malheur Co.
      • Opalite District (McDermitt District)
Nevada Bureau of Mines and Geology NBMG Open-File Report 96-3 By Stephen B. Castor, Christopher D. Henry, Lisa A. Shevenell
U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
  • South Dakota
    • Shannon Co.
R. Stach and J. Harkensen (1974) Fused Sediments near Pine Ridge, South Dakota. South Dakota Geological Survey. Reprint No. 14
    • Yankton Co.
SDSMT Bull 18 Roberts and Rapp "Mineralogy of the Black Hills"
  • Tennessee
(2010) Material Safety Data Sheet for Thrifty-Sorb , Moltan Company, Memphis, Tennessee
Olive, Wilds W. and Flinch, Warren L.,(1969) Stratigraphic and Mineralogic Relations and Ceramic Properties of Clay Deposits of Eocene Age in the Jackson Purchase Region, Kentucky and in Adjacent Parts of Tennessee :USGS Bulletion 1282
  • Texas
    • Brewster Co.
R&M 66:3 pp 196-224
    • Jeff Davis Co.
      • Davis Mts
R&M 66:3 pp 196-224
    • Presidio Co.
U.S. Geological Survey,2005,Mineral Resources Data System :U.S. Geological Survey,Reston, Virginia
  • Utah
    • Beaver Co.
      • Escalante Desert
        • Milford
Rick Dalrymple
    • Juab Co.
R&M 73:3 p196-201
        • Spor Mountain
Montoya, Havens, and Bridges (1962)
    • Millard Co.
      • Black Rock Desert
R&M 68:6 p381-393
    • Piute Co.
UGMS Bull 117 Minerals and Mineral Localities of Utah
  • Virginia
    • Highland Co.
      • Monterey
Minerals of Virginia, 1990 by R. V. Dietrich
    • Prince William Co.
      • Manassas
Minerals of Virginia, 1990 by R. V. Dietrich
  • Washington
    • Skagit Co.
      • Mount Vernon
George E. Mustoe, Dan G. Vandenburg, and LaVaonda M. Vandenburg, "The Minerals of Walker Valley, Skagit County, Washington," Washington Geology, vol. 24, no. 1, March 1996, pp 22-29
    • Spokane Co.
Cannon, B. (1975): Minerals of Washington, p.79
  • Wisconsin
    • Dodge Co.
      • Iron Ridge District (Neda Iron District)
Hawley, J. & A. Bevan (1934) Mineralogy and genesis of the Mayville iron ore of Wisconsin: american Mineralogist: 19 (11): 493- 514.
  • Wyoming
    • Johnson Co.
      • Buffalo
AmMin 72:137
AmMin 24:485; Tschernich, R. (1992): Zeolites of the World, 71, 72
Uzbekistan
 
  • Sidaryo Viloyati (Syrdar'ya)
Mirzaev, A.U., and Chinikulov, K. (2004): Lithology and Mienral Resources 39(1), 60-69.
Yemen
 
  • Hadramawt Governorate
Zolensky, M. & A.Ivanov, Chemie der Erde 63,185-246(2003)
Mars
 
  • Aeolis quadrangle
    • Gale Crater
      • Aeolis Mons (Mount Sharp)
Milliken, R.E., Hurowitz, J.A., Bish, D.L., Grotzinger, J.P., Wiens, R. (2016): The chemical and mineralogical stratigraphy of Lower Mt. Sharp: relating rover observations to orbital predictions. 47th Lunar and Planetary Science Conference: pdf no. 1495
Morris, R.V., Vaniman, D.T., Blake, D.F., Gellert, R., Chipera, S.J., Rampe, E.B., Ming, D.W., Morrison, S.M., Downs, R.T., Treiman, A.H., Yen, A.S., Grotzinger, J.P., Achilles, C.N., Bristow, T.F., Crisp, J.A., Des Marais, D.J., Farmer, J.D., Fendrich, K.V., Frydenvang, J., Graff, T.G., Morookian, J.-M., Stolper, E.M., Schwenzer, S.P. (2016): Silicic volcanism on Mars evidenced by tridymite in high-SiO2 sedimentary rock at Gale crater. Proceedings of the National Academy of Sciences of the United States of America (online-published), doi: 10.1073/pnas.1607098113
http://www.nasa.gov/jpl/msl/nasas-curiosity-eyes-prominent-mineral-veins-on-mars/
Jackson, R.S., Wiens, R.C., Vaniman, D.T., Beegle, R.W., Nachon, M., Forni, O., Blaney, D., Newsom, H.E., the MSL Team (2016): ChemCam investigation of the Pahrump Hills drill sites. 47th Lunar and Planetary Science Conference: pdf no. 1767
The Moon
 
  • Descartes Highlands
Walker, D., J. Longhi, T.L. Grove, E.M. Stolper, and J.F. Hays (1973) Experimental petrology and origin of rocks from the Descartes Highlands. Proc. Fourth Lunar Sci. Conf., Geochim. Cosmochim. Acta Suppl. 4, p. 1013-1032.
  • Fra Mauro Highlands
Lunar and Planetary Science XXXIV (2003) and XXXV (2004)
  • Mare Imbrium
    • Palus Putredinis
Kaneko, S., Miyahara, M., Ohtani, E., Arai, T., Hirao, N., & Sato, K. (2015). Discovery of stishovite in Apollo 15299 sample. American Mineralogist, 100(5-6), 1308-1311.
Geochemica et Cosmochimica Acta: 34(1): 65-79
  • Taurus-Littrow Valley
Longhi, J., Walker, D., Grove, T. L., Stolper, E. M., & Hays, J. F. (1974) The petrology of the Apollo 17 mare basalts. In: Lunar Science Conference, 5th, Houston, Tex., March 18-22, 1974, Proceedings. Volume 1. (A75-39540 19-91) New York, Pergamon Press, Inc., 1974, p. 447-469.
Mineral and/or Locality  
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