 | | Journal (article/letter/editorial) | | in granulite-facies Archaean rocks at Dowerin, Western Australia P. J. DOWNES* AND A. W. R. BEVAN Department...Planetary Sciences, Western Australian Museum, Francis Street, Perth, Western Australia 6000 ABSTR ACT ...occurs near Dowerin, in the southwestern region of the Archaean Yilgarn Craton, Western Australia. The deposit...Batholith (2587±25 Ma). Beryllium mineralization at Dowerin occurs in plagioclasequartz-biotite-garnet gneiss...% ZnO; SiO2 <0.05 wt.%) are found embedded in almandine or plagioclase, and closely intergrown with biotite |  | | Report (edition) | | maps produced by the Geological Survey of Western Australia are available from: Information Centre Department...Bulletin 25 GEMSTONES OF WESTERN AUSTRALIA Gemstones of Western Australia second edition While systematically...authoritative, the second edition of Gemstones of Western Australia is written not only for the professional geologist...et al. The second edition of Gemstones of Western Australia is an updated version published in response...formal inception of the Geological Survey of Western Australia (GSWA) in 1896. In this second joint publication |  | | Report (edition) | | Stocklmayer GEOLOGICAL SURVEY OF WESTERN AUSTRALIA Gemstones of Western Australia FRONTISPIECE Euhedral black... MINERAL RESOURCES BULLETIN 25 GEMSTONES OF WESTERN AUSTRALIA by J Michael Fetherston, Susan M Stocklmayer...Stocklmayer Perth 2013 GEOLOGICAL SURVEY OF WESTERN AUSTRALIA MINISTER FOR MINES AND PETROLEUM Hon. Norman...EXECUTIVE DIRECTOR, GEOLOGICAL SURVEY OF WESTERN AUSTRALIA Rick Rogerson REFERENCE The recommended reference...VC 2013, Gemstones of Western Australia: Geological Survey of Western Australia, Mineral Resources Bulletin |  | | Journal (article/letter/editorial) | | Amphibolite Granulite Zones. Chlorite 3-2 4-0 4-8 Almandine Kyanite Sillimanite The figure representing the...from nr. Holleton, W. Aust. University of Western Australia No. 37812. Mm. index from petrology and associated...from nr. Ellen Brook, W. Aust. University of Western Australia No. 36335. Mm. index from regional geology...gneiss from Yandanooka, W. Aust. University of Western Australia No. 32231. Mm. index from mineral assemblage...from Newmans Rock, W. Aust. University of Western Australia No. 34687. Mm. index from regional geology |  | | Journal (issue) | | available from the Musgrave Ranges, Ranges, Australia Australia (type (type material) material) Musgrave...a n d garnets (pyrope, grossular, grossular, almandine), C C isotopes in in diamonds, Rb-Sr, Sm-Nd, Sm-Nd...diamond. Alexandrite chrysoberyl from Dowerin, Western Australia: revisited. W.R. H.J. MILLEDGE. MILLEDGE...mineralogy mineralogy of of the Dowerin deposit, an area in Western Australia Australia where small crystals gem-quality...White Cliffs Cliffs opal field, New South Wales, Australia. The The relationship between opal, is discussed |  | | Journal (issue) | | He began purchasing gems during port visits to Australia, India, and Ceylon (now Sri Lanka), and even designed...gemological description Variety of orange-brown almandine-pyrope garnets Plastic impregnated and dyed to...or across the land route through Alexandria to Western Europe and then were set in this medieval book...Samples 1–5 were recovered from the kimberlites of western Yakutia and weighed 13–25 ct each; sample 6, 1...chromite. Gem-quality stichtite has been found in Australia, Canada, and South Africa. It occurs in serpentine |  | | Journal (issue) | | 2.69 orange-pink weak violet violet Biron (Australia) pinkish Novosibirsk (Russia) pinkish 1.570...Pinkish synthetic beryls are also produced in Australia by Biron International Ltd., which are well known...number of synthetic beryls produced in Japan and Australia. The recent red beryls show strong pleochroism...crystals of beryl obtained from pegmatites in Australia, Brazil and China. Eleven single crystals from...Heffernan's mine, Torrington, New South Wales, Australia, five from Arac,uai and two from unknown localities |  | | Journal (issue) | | Russia, and China), and Australia. The major sources for diamonds were Australia, central and southern...Canada. Cultured pearls from French Polynesia, Australia, and China became increasingly important, as production...(southern Africa, South Asia, Southeast Asia, Australia, South America). Although there has been some...the areas omitted (e.g., Russia, North America, western Africa, and China), they were less significant—in... see figure 1). Although mining continued in Australia, a major producer in the 1980s, production was |  | | Journal (issue) | | Chattanooga, Tennessee A. J. A. (Bram) Janse Perth, Australia Michael S. Krzemnicki Basel, Switzerland Christopher...diamonds (0.51 and 0.55 ct) from the Argyle mine in Australia were part of the 2007 Argyle pink diamonds tender...channel in 1996, when its Argyle operation in Australia ended its sales agreement with the DTC (Shor,...gems—cut supplies of Myanmar’s ruby and jade in Western markets to virtually nothing. This was particularly...(Laurs, 2009) following a 1999 discovery in the western part of that country. Large-Scale Mining Operations |  | Konzett, Jürgen, Schneider, Tobias, Nedyalkova, Latina, Hauzenberger, Christoph, Melcher, Frank, Gerdes, Axel, Whitehouse, Martin (2018) Anatectic Granitic Pegmatites from the Eastern Alps: A Case of Variable Rare-Metal Enrichment During High-Grade Regional Metamorphism – I: Mineral Assemblages, Geochemical Characteristics, and Emplacement Ages. The Canadian Mineralogist, 56 (4) 555-602 doi:10.3749/canmin.1800008 | Journal (article/letter/editorial) | | the Texel Complex, which represents one of the western sections of the Eastern Alpine basement nappe system...jadeite, and orthoclase; Fe, Mn, and Zn: natural almandine, tephroite, and gahnite; Zr: natural zircon; F...with Glitter data reduction software (Macquarie, Australia). Additional LA-ICP-MS analyses of oxide phases...garnets from pegmatites-1 and -2 in terms of almandine-spessartite-grossular-pyrope; (B) representative...in granulite-facies Archaean rocks at Dowerin, Western Australia. Mineralogical Magazine 66, 985–1002 |  | | Report (issue) | | 1945, Minerals of the mont- Australia Series VIII: Royal Soc. W. Australia Jour., v. 18, p. 61-74. Winchell... S., 1932, Contributions to the mineralogy of Western 40.00 38.37 40.95 39.62 40.16 42.56 36.81 37...gabbro. D27. Dowerin, Western Australia, Simpson, E. S., 1931-32, Boyal Soc. Western Australia Jour., v....pegmatite, associated with cummingtonite, actinolite, almandine, andesine feldspar, and chrysoberyl. D28. Katzenbuckel...Mag., v. 24, p. 496. From tonalite. D33. Ross-shire, northwestern Scotland, Harker, R. I., 1954, Geol |  | | Journal (issue) | | Jacob Andy Shen San Diego, California Sydney, Australia Wuhan, China Edward W. Boehm A.J.A. (Bram)...Guanghai Shi Chattanooga, Tennessee Perth, Australia Beijing, China James E. Butler Mary L. Johnson...gem corundum in alkali basalts as in eastern Australia, and sapphire in lamprophyre and syenite as in...placers related to alkali basalts, as in eastern Australia or southern Vietnam, while placers in metamorphic...rocks (China, Canada, Norway, Kazakhstan, and Australia) and Type IC in granitic rocks (Nigeria) are of |  | | Journal (article/letter/editorial) | | (independent SiO4 tetrahedra) adrianite ahrensite almandine andradite bridgmanite britholite-(Ce) eringaite...sapphirine sodium-bearing silicate tetragonal almandine G Model Mineral CHEMER-25420; No. of Pages...akimotoite alabandite albite allabogdanite allendeite almandine altaite Al-Ti diopside amakinite amesite anatase...Rh,Mo,Nb,Ta,Ge,W,V,Pb,Cr,Fe,Ni,Co) tetragonal almandine (Fe,Mg,Ca,Na)3 (Al,Si,Mg) 2 Si3 O12 KMg3 (Si3...Tschauner, O., 2016. Discovery of tetragonal almandine, (Fe,Mg,Ca,Na)3 (Al,Si,Mg) 2 Si3 O12 , a new high-pressure |  | | Book (edition) | | 1020° 0.15± 0.23± 3.98 3.94 Sonora Spain Australia Saxony o N (Na) 1 N (Li) 3 % FeS 955° 919°...(rose-red), rubiceJle (yellow or orange-red), almandine-spinel (violet), ceylonite (green or blue), pleo¬...Fluoresces in ultra-violet rays. pegmatite in Western Australia, Brazil, and Rhodesia. COLUMBITE Orthorhombic...Bowley and L. E. R. Taylor: Jour. Roy. Soc. W. Australia, XXV, 89 and 93 (1939). P. F. Kerr and R. J....pegmatite, and in placers, as at Greenbushes, Western Aus¬ tralia; Varutrask, Sweden; Topsham, Maine; |
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