 | | Book (volume) | | Mineralogy by Vandall T. King and Eugene E. Foord Maine Geological Survey DEPARTMENT OF CONSERVATION Walter...Resources Information, Maine Geological Survey Walter A. Anderson, State Geologist Maine Geological Survey...DEPARTMENT OF CONSERVATION 1994 Copyright Š1994 by the Maine Geological Survey, Department of Conservation. All...Cover photograph: Fluorapatite, Pulsifer quarry, Auburn, Maine (2.2 cm specimen), Harvard Mineralogical...Wendell E. Wilson, Š1985. The laws and policies of Maine and the United States prohibit discrimination in |  | | Catalog/List | | 1995, viz London, St. Albans, Keele University, Oxford, Harrogate and Bakewell. Hope to see you at ane...hrdownie Quarry specimens. Also "Potato Stones" from the Hendips. 4. ANALCIME.Magheramorne Quarry,Larne...trapezohedral xtls to 3mm. t5 each. 5. ANALCIME.Croft Quarry,Croft,Leicestershire.7 specimens.Specimen A-white....tlO. 16. ARAGONITE/ROCK CRYSTAL. Greystones Quarry,Launceston,Cornwall. Large milky Quartz breccia...tl2. Attractive. 18. ARSENOPYRITE.Hingsten Down Quarry,Calstock,Cornwall. 2 specimens. Specimen A-matrix |  | | Book (volume) | | 0 n101ercai o of Maine j f¡~ ....__ :,,. . - .._"' ..;. .. ~ L-- -~ \. ⢠.J_..::.; I Volume...History, Gems, and Geology edited by Vandall T. King Maine Geological Survey DEPARTMENT OF CONSERVATION Robert...Robert G. Marvinney, State Geologist of Maine Volume 2: Mining History, Gems, and Geology Edited by...Resources Information, Maine Geologi,cal Survey Robert G Marvinney, State Geologist Maine Geological Survey...DEPARTMENT OF CONSERVATION 2000 Copyright Š2000 by the Maine Geological Survey, Department of Conservation. All |  | | Journal (issue) | | schor!, cassiterite, nioboAssociated minerals are: schorl, cassiterite, niobotantalite, tantalite, beryl...zone, with granitic texture and large prisms of schorl, - A blocky zone with albite and quartz and giant...lepidolite, beryl (with some clear aquamarine), schorl (with very cracked blue and green uncommon tourmaline)...minerals inside the rose quartz are rare: mainly schorl in needles or in scattered large prisms near the...associated with some druses of quartz, a little schorl and/or beryl. The mineralogy of rose quartzbearing |  | | Journal (issue) | | Monica, Monica, California California 90404, 90404, USA USA Fig. Fig. I. 1. This assembled agate specimen...Sinkankas, San Diego, California California 9lO9, 9109, USA The literature of antiquity frequently mentions...Tourmalin of Ceylon". Apparently referring here to schorl. Cafs Eye: wairodi (both Malabar. & Singhal); kattĂśga...mentions "black crystal" which now appears to be schorl because he notes that some crystals display "six...structures in hydrothermally-grown synthetic citrine from USA; growth lines parallel to the basal pinacoid c (0001) |  | | Journal (issue) | | Gemmology alongside other certificates from the USA and Hong Kong itself. Sometimes a whole wall is covered...Gemological Institute of America, Santa Monica, Calif., USA Abstract This paper describes, for the first time...featuresarearegiven. given. in Montana Montana (USA), especially as far as colour, habit and inclusion... sapphire from Missouri River deposit (Montana, USA) and corundums from other sources, characteristic... Fig. 12. Feather of two phase inclusions in a Biron synthetic emerald examined in 1981. feamre seen |  | | Report (issue) | | International, LLC P.O. Box 263, East Hampton, CT 06424, USA Phone 1.860.267.1512; fax 1.860.267.7225 www.lapisint...WEISE VERLAG, GERMANY AND LAPIS INTERNATIONAL, USA About Emeralds Emeralds¡ of the World Beryl and...Laboratory Emeralds ..................84 Karl Schmetzer USA: Hiddenite, North Carolina ...........64 Michael...Panjikar et al (1 997) CHINA ⢠Malipo, Yunnan Malipo County, Ailaoshan region: emerald deposits discovered...photo by Dietmar Schwarz of El Reten hill. The quarry is in the black shales that are capped by brown |  | | Journal (issue) | | silicified parts. These quartz schorl and somewhat feldspathized quartz schorl rocks are closely associated...silicified and metasomatized areas (quartz-schorl-feldspar and quartz-schorl rocks) may contain tiny beryl crystals...Trade Laboratory, Inc., Santa Monica, California, USA Abstract Dark brownish-red garnets reported to be...Madagascar, Russia, Sri Lanka, United Kingdom (Scotland), USA, Zambia and Zimbabwe (Webster, 1983); Argentina,...period, abridged edition, Ballantine Books, New York, USA. Andrews, C., 1 9 9 1 . Ancient Egyptian jewelry |  | | Book (edition) | | Saul, Sonja Schwartzman, John Sinkankas, Kenneth Sumner, Lillian Turner, Martin Zinn. who some way with... tions PC: Private Collection LA: Los Angeles County Museum (Los Angeles) COMMENTS This section contains...Pyrophyllite: North Carolina Japan San Benito County, Gahnite: Colorado Jadeite: California b 1 ...axis axis mean, Jessieville, Arkansas Spodumene: Maine York Madagascar Keystone, South Dakota Quebec...Brazil 80 95 emerald cut hexagon rhomboid Maine Maine Canada antique Mexico round Brazil Brazil |  | | Journal (issue) | | de 14 h Ă 19 h 30 STAND 194 bis allĂŠe 2 MARCHĂ BIRON Puces de la Porte de Clignancourt du Samedi au Lundi...sites que j'ai eu l'occasion de visiter : Mershead Quarry près de Shipham Le plus grand gisement de manganèse...impossible d'y circuler avec votre propre vĂŠhicule. Yate Quarry au N.E. de Bristol RenommĂŠe pour sa cĂŠlestine....ressemble aux marbres Ă paysages d'Italie. 42 Oulcote Quarry, Ă Oulcote près de Wells Ce site est mondialement...11. Autres sites . Cheddar Quarnes, Wookey Hale Quarry, anciens sites romains d'extraction de plomb près |  | | Journal (issue) | | alexandrite rods from Northrop Grumman Space Technology, USA. Multiconsult, Norway is thanked for financial support...edition, P.G. Read (Ed.) Butterworth-Heinemann, Oxford Weigel, O., 1923. Ăber die Färbänderung von Korund...by short notes published by colleagues from the USA (e.g. AGTA-GTC Lab, 2004; Rockwell and Š Gemmological...Research (Thailand) 2. GIA Laboratory, New York, USA Abstract: This report describes an egg-shaped non-nacreous...virginica, Eastern oyster, mollusc, Raman spectra, USA Introduction When envisioning the growth of a pearl |  | | Journal (issue) | | amounts of iron, i.e., small percentages of the schorl molecule, are also present. In general, manganesecontaining...the Mn-free tourmaline end members, elbaite and schorl, as given by different authors (Epprecht, 1953;...between members of the solid solution series elbaite-schorl and the series elbaite-tsilaisite or between tsilaisites...& Rosenberg (1977). For members of the elbaite-schorl series, three types of an isomorphous replacement...and 3 1 % of the ideal elbaite end member, the schorl component of the sample is smaller than 1 %. However |  | | Report (edition) | | Synthetic, 120 ct hydrothermal emerald manufactured by Biron Corporation.......................................albite feldspar and grey quartz, Carlaminda Blue quarry..... 78 8.2 Ornamental bowl featuring lepidolite...eucryptite rock, Londonderry feldspar pegmatite quarry.................................... 83 8.9 Geology.... 231 Geology around the Ord Ranges tiger iron quarry and prospects....................................Geological sketch map of the Boogardie orbicular quarry and exploration areas......................... |  | | Journal (issue) | | the United States (Linde, Regency), Australia (Biron), and Russia (Pough, 1965; Flanigen et al., 1965...spectroscopy of nailhead spicules (Linde and Regency, 6; Biron, Pool, and AGEE, 5; and Lechleitner, 9), which was...those observed for Lechleitner, Linde, Regency, and Biron synthetic emeralds, but they are distinctly lower...ÂĽ). another hydrothermal synthetic emerald, the Biron product. Raman spectroscopy also identified some...birefringent and transparent ânailheadsâ in two Biron synthetic emeralds as beryl, but found no phenakite |  | | Journal (issue) | | Major minerals include quartz, albite, microcline, schorl tourmaline, muscovite, and lepidolite, along with...Pala, CA; cut stone courtesy of the Los Angeles County Museum of Natural History. Photo 0 Harold a ) Erica...History of Technology, Vol. 2, Clarendon IJress, Oxford, pp. 364-369. Webster R., Anderson B.W. (1983)Gems...Europe mentions a black variety of tourmaline called schorl. In the 17th and 18th centuries, gem tourmaline...Peter Keller, associate director of the Los Angeles County Museum of Natural History, visited the Changma |  | | Journal (volume) | | Cornwall, in Polladan Cove,* an enormous mass of schorl-rock intervenes between the granite and slate....Just, the Narrow -point, and Caseley's -cairn ; schorl is plentiful, but may be procured finely crystallized...fDtn lode WHEAL30 . .to4ft Size . . oftin .of schorl and quartz two .of 45° angle an at this with ...iron ,mbrown schorl and .felspar nelspar 20uartz nd ed uch qlarge felspar ,wRed schorl and porphyretic...PaQ)4iSW7grained tin of qoxide felspar ,fwhite schorl .and W.;avTein 30° of angle atan join slate and |  | | Journal (issue) | | Stewart Street, Santa Monica, California 90404, USA **GIA Gem Trade Laboratory Inc., Santa Monica, Los...Linde Lechleitner Lechleitner Lechleitner USSR Biron LI LL14 LL16 LL67 SSR BIR2 ca Na It} zn V... IZI I.ISO 1. 'lOO ⢠⢠05Q ⢠⢠05Q 0. 100 usa L j ell Âť i o Âť ' 1m! IIlI l III In ' ...f>"'" Âť Âť Âť | ' . 9SO ,." po<>< Âť uoo ~~ ⢠usa ~ ⢠i > 0 .050 i ÂŤ Âť ⢠ i 0. 100 40 points...15,452-60, 6 figs. Tourmalines from the dravite-schorl and elbaiteschorl series were examined with infra-red |  | | Report (edition) | | ................................... 61 Draviteâschorl series: physical properties .....................albite feldspar and grey quartz, Carlaminda Blue quarry, Yalgoo area ....................................eucryptite rock from the Londonderry feldspar pegmatite quarry..................... 85 Geology of the Mount Deans...26.11 Geology around the Ord Ranges tiger iron quarry and prospect ....................................Geological sketch map of the Boogardie orbicular quarry and exploration areas......................... |  | | Journal (issue) | | & Gemology PO Box 9022, Carlsbad, CA 92018-9022, USA Complete volumes of 1992â2009 print back issues are...liquid-nitrogen temperature (â196°C/77°K) by means of an Oxford Instruments DN cryostat. We calculated absorption...left, 11.5 g, GIA Collection no. 30490), a faceted Biron synthetic emerald (bottom left, 2.38 ct, GIA Collection...consisting of hydrothermally grown (Tairusâ15 and Bironâ10) and flux-grown (Gilsonâ20, Chathamâ20, and Lennixâ1)...525 1.675 1.852 Synthetic (hydrothermal) Biron 1 Biron 2 0.015 0.016 0.008 0.004 0.023 0.020 Tairus |  | | Journal (issue) | | Precambrian geology of India. Oxford Monographs on geology and geophysics, Oxford University Press Rouse, J...emerald oiling Kurt Nassau, Ph.D. Lebanon, NJ 08833, USA In a recent article I pointed out that the usual...interessante Mineralienfundstellen in Colorado, USA. Mineralien Welt, 4,4,17-23,10 photos (8 in colour)...Portugal, France, Germany, the former Eastern bloc, USA and Canada. The industry is growing rapidly in China...several different sites in Maine; very fine opal from Opal Butte, Morrow County, Oregon. Outside the United |  | | Journal (issue) | | the first four stones are more characteristic of Biron or Russian hydrothermal synthetic emeralds. Fig...ar acter of oxidation processes for cations in schorl, dravite, elbaite and ferri to ur mali ne ha ve...Azusa in Los Angeles county was subsequently donated to the San Bernardino County Museum. Green stones...Institution, Washington, DC, and the Los Angeles County Museum of Natural History. A fascinating sidelight...the Yorkshire mines and from the deserts of the SW USA were studied especially for their mechanical loss |  | | Book (edition) | | AMSTERDAM ⢠BOSTON ⢠HEIDELBERG ⢠LONDON ⢠NEW YORK ⢠OXFORD PARIS ⢠SAN DIEGO ⢠SAN FRANCISCO ⢠SINGAPORE â˘...Butterworth-Heinemann Linacre House, Jordan Hill, Oxford OX2 8DP 30 Corporate Drive, Burlington, MA 01803...Elsevierâs Science and Technology Rights Department in Oxford, UK; phone: (44) (0) 1865 843830; fax: (44) (0)...his own gemmological correspondence course in the USA, founded the Gemological Institute of America. In...breakthrough after the General Electric group in the USA announced its own successful synthesis of diamond |  | | Book (edition) | | AMSTERDAM ⢠BOSTON ⢠HEIDELBERG ⢠LONDON NEW YORK ⢠OXFORD ⢠PARIS ⢠SAN DIEGO SAN FRANCISCO ⢠SINGAPORE â˘...Jordan Hill, Oxford OX2 8DP, UK 30 Corporate Drive, Suite 400, Burlington MA 01803, USA First published...Elsevierâs Science & Technology Rights Department in Oxford, UK: phone (+44)(0) 1865 843830; fax (+44)(0) 1865...Canada, Germany, Thailand, Vietnam, the UK and the USA, making this a truly international collaboration...or more minerals. Figure 1.2 5 Fantiscritti quarry, Carrara, Italy where marble is mined The Geological |  | Byrne, Kevin, Trumbull, Robert B., Lesage, Guillaume, Gleeson, Sarah A., Ryan, John, Kyser, Kurt, Lee, Robert G. (2020) Mineralogical and Isotopic Characteristics of Sodic-Calcic Alteration in the Highland Valley Copper District, British Columbia, Canada: Implications for Fluid Sources in Porphyry Cu Systems. Economic Geology, 115 (4). 841-870 doi:10.5382/econgeo.4740 | Journal (article/letter/editorial) | | Rutgers University Libraries user ST Vancouver USA Kamloops Eocence rocks or Cache Creek terrane ...Mg-foitite end member, all tourmaline plots below the schorl (buergerite)-dravite join, i.e., they are Al deficient...zones (Takom and Deerhorn) Magnesio-Foitite 3 Schorl 2 Dravite 6 1 5 Uvite 4 X-site vacancy group...Ep-Ab (Takom zone) Magnesio-Foitite Dravite Schorl Uvite Fe per formulae unit Other systems 3...H.D., eds., Treatise on geochemistry, 2nd ed.: Oxford, Elsevier, p. 515â541. Barton, M.D., Johnson, D |  | | Journal (issue) | | specimen from the Spanish Dry Diggings, Eldorado County, California, and a little of its history ........very rare loose crystal. Ossining, Westchester County, New York. wckport, New York. Ex. Coll. : New...Zodac, jade expert Louis Zara, Doris Biggs, Francon quarry specialist Don Doell, mineral dealer Hugh Ford...Schemnitz. Figure 30. Sobov Hill and quartzite quarry, and the so-called nearby "Old Town," are among...Hungarica, 1776). The quarry has five levels, at 10 to 15-meter vertical intervals. The quarry is technically |
|
