 | | 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 |  | | Book | | many fun-filled weekends for all the family. Australia is renowned for the world's finest Opal. But opal...generally 5.5 to 6.5 on Moh's hardness scale. (Quartz measures 7 .) The Opal is set apart from other..."nodules". The unique 4 AUSTRALIAN OPAL DEPOSITS Australia is the world's greatest producer of precious opal...expensive vacuumcleaner apparatus, called a "blower". mine is created by running over a large area with a bulldozer...good spot for a noodler is an abandoned open-cut mine, using a rake and your trusty sieve. You're on | | | Book | | weekends for all the family. : '. . ' ~ L . ..... Australia is renowned for the world's finest Opal. But opal...generally 5 .5 to 6.5 on Moh's hardness scale. (Quartz measures 7.) The Opal is set apart from other gemstones..."nodules". The unique 4 AUSTRALIAN OPAL DEPOSITS Australia is the world's greatest producer of precious opal...expensive vacuum cleaner apparatus, called a "blower". mine is created by running over a large area with a bulldozer...good spot for a noodler is an abandoned open-cut mine, using a rake and your trusty sieve. Open-Cut Mining |  | | Journal (article/letter/editorial) | | Downloaded by [The Aga Khan University] at 23:14 19 October 2014 Vindicator Mine, Cripple Creek, Teller...developed during the past 120 years: Kalgoorlie, Western Australia, and Cripple Creek, Colorado. Although on...ROCKS & MINERALS the Golden Circle mine at Sorrento and the Cline mine at Hancock, Maine, and from a vaguely...the Consolidated mine at Dahlonega, Lumpkin County, Georgia; the Barite Hill gold mine in McCormick County...rare tellurides at the inactive Reynolds or Star mine, Montgomery County, North Carolina; and possibly |  | | Journal (article/letter/editorial) | | Red and PinkVariscite from the Wood Mine, Cocke County, Tennessee HENRY BARWOOD Indiana Geological Survey...Bloomington, Indiana 47405 Downloaded by [The Aga Khan University] at 02:32 01 November 2014 I n 1969...oxides were examined by the author at rock swaps in western North Carolina. Some of these specimens contained...the collectors revealed the source to be the Wood mine in Cocke County, Tennessee. Rather cursory examination...strengite (Lehnert 1971). The author first visited the mine in 1971 after the initial rush of collectors had |  | | Journal (article/letter/editorial) | | This article was downloaded by: [The Aga Khan University] On: 11 November 2014, At: 20:43 Publisher:...Geoscience Journal of the Geological Society of Australia Publication details, including instructions for...deposition in the Streatham Deep-Lead System in western Victoria a M. Raiber & J. A. Webb a a Environmental..., La Trobe University , Bundoora, Vic, 3086, Australia Published online: 23 May 2008. To cite this article:...deposition in the Streatham Deep-Lead System in western Victoria, Australian Journal of Earth Sciences: |  | | Journal (article/letter/editorial) | | This article was downloaded by: [The Aga Khan University] On: 23 December 2014, At: 06:34 Publisher:...MTA, 06520 Ankara, Turkey Downloaded by [The Aga Khan University] at 06:34 23 December 2014 Abstract...are preserved in several massifs of Central and Western Europe and Turkey in the Tauride–Anatolide Platform...Gürsu et al., 2004). 895 Downloaded by [The Aga Khan University] at 06:34 23 December 2014 896 SEMIH...metasedimentary basement (Güvercino- Downloaded by [The Aga Khan University] at 06:34 23 December 2014 RIFT-RELATED |  | | Journal (article/letter/editorial) | | This article was downloaded by: [The Aga Khan University] On: 13 November 2014, At: 03:18 Publisher:...com/loi/tigr20 The UHP Unit in the Dora-Maira Massif, Western Alps a Christian Chopin & Hans-Peter Schertl ...(1999) The UHP Unit in the Dora-Maira Massif, Western Alps, International Geology Review, 41:9, 765-780...reserved. The UHP Unit in the Dora-Maira Massif, Western Alps CHRISTIAN CHOPIN LaboratoiredeGéologie, URA...Bochum, 44780 Bochum, Germany Downloaded by [The Aga Khan University] at 03:18 13 November 2014 Abstract |  | | Journal (article/letter/editorial) | | This article was downloaded by: [The Aga Khan University] On: 12 December 2014, At: 06:37 Publisher:...Menlo Park, California, 94025 Downloaded by [The Aga Khan University] at 06:37 12 December 2014 Abstract...Mother Lode Gold Dis trict: mineralized outcrops and mine waste rock (overburden); mill tailings submerged...monomictic lake developing within a recent open-pit mine. These environments are characterized by distinct...porewaters (up to 500 µg/L) than the sands. Fine quartz tailings also con tain up to 3.5 ppm mercury related |  | | Journal (article/letter/editorial) | | Sciences, University of Western Australia, Western Australia 6009, Australia 2 Centre for Microscopy...Analysis, University of Western Australia , Western Australia 6009, Australia 1 Abstract Quantitative...pegmatites such as the Greenbushes deposit, Western Australia (Partington et al. 1995), Sn-Cu-Pb-Zn skarns...well studied. The process of fracture healing in quartz is also well documented (Smith and Evans 1984;...and SC2), two from the greisen zone of the Buriti mine (BM1 and BM2), and one is from the White Lode Sn-mineralized |  | | Journal (article/letter/editorial) | | Collection, Kyushu University News Downloaded by [The Aga Khan University] at 00:19 02 January 2015 from Japan...a magnificent arsenopyrite and quartz (Ko #1508) from the Obira mine, Oita Prefecture. It is a huge matrix...from the Obira mine; chalcopyrites from the Ani mine, Akita Prefecture, and the Ashio mine, Tochigi Prefecture;...matrix specimens of fluorapatite from the Ashio mine, Tochigi Prefecture. Of the several collections...one of the largest stibnites from the Ichinokawa mine, Ehime Prefecture (fig. 4) can also be found at |  | | Journal (article/letter/editorial) | | Survey Norman, Oklahoma 73019 Downloaded by [The Aga Khan University] at 14:37 16 October 2014 JOE LOBELL...excellent. An example is the Arkansas Ouachita quartz crystal belt that extends into southeastern Oklahoma...contributed their knowledge to it. Downloaded by [The Aga Khan University] at 14:37 16 October 2014 Mineral...by [The Aga Khan University] at 14:37 16 October 2014 Caddo County Apache, a calcite mine near Apache...manganite, neotocite, pyrite, psilomelane, pyrolusite, quartz, rhodochrosite, “wad’ (Merritt 1941; Ham and Oakes |  | Fan, Jian-Jun, Li, Cai, Xu, Jian-Xin, Wang, Ming (2014) Petrology, geochemistry, and geological significance of the Nadong ocean island, Banggongco–Nujiang suture, Tibetan plateau. International Geology Review, 56 (8) 915-928 doi:10.1080/00206814.2014.900651 | Journal (article/letter/editorial) | | This article was downloaded by: [The Aga Khan University] On: 01 December 2014, At: 20:37 Publisher:...Changchun 130061, P.R. China Downloaded by [The Aga Khan University] at 20:37 01 December 2014 (Received...the Mesozoic Banggongco–Nujang suture zone in western Tibet to constrain the tectonic evolution of these...the Mugagangri Group flysch Downloaded by [The Aga Khan University] at 20:37 01 December 2014 916 J...in Gerze County, Tibet, within the middle and western segments of the Banggongco–Nujiang suture, and |  | | Journal (article/letter/editorial) | | This article was downloaded by: [The Aga Khan University] On: 24 November 2014, At: 05:18 Publisher:...Stanford, California 94305 Downloaded by [The Aga Khan University] at 05:18 24 November 2014 Abstract...place prior thys. However, the ophiolites on the western marto continental collision (Mahmood et al., 1995;...0020-6814/99/403/739-25 $10.00 739 Downloaded by [The Aga Khan University] at 05:18 24 November 2014 740 AHMED...the trace of the suture zone along the irregular western margin of the Indian plate, which joins at its |  | | Journal (article/letter/editorial) | | Downloaded by [The Aga Khan University] at 04:12 29 December 2014 Dr. George W. Robinson is curator...the New York State Museum. Downloaded by [The Aga Khan University] at 04:12 29 December 2014 The GEMS... left to right: Titanite (sphene), Tilly Foster mine, Brewster, Putnam County, 6.70 carats, Harvard Mineralogical...collection), S. Chamberlain photo; hexagonite, Wight mine, Fowler, St. Lawrence County, 3.29 carats, Canadian...Chamberlain photo; calcite, St. Joe Minerals (ZCA) mine, Balmat, St. Lawrence County, 1,017 carats, A. E |  | | Journal (article/letter/editorial) | | Downloaded by [The Aga Khan University] at 04:17 21 November 2014 Figure 49 Figure 50 Figure 51. A...attributed to the Owl Creek fissure of the Copper Falls mine, this complex 3.2-cm crystal is perched on a matrix...3rd level of the Gribble vein in the Copper Falls mine. Of all the copper specimens recovered from the...calcite crystals recovered from the Copper Falls mine in the early days of mining. The sharp, limpid 4...recovered in the Copper Country in recent times. On the mine surface, beautiful microcrystals of analcime and |  | | Journal (article/letter/editorial) | | This article was downloaded by: [The Aga Khan University] On: 27 October 2014, At: 10:00 Publisher: Taylor...TR-61080, Trabzon, Turkey Downloaded by [The Aga Khan University] at 10:00 27 October 2014 Abstract...granitoids contain an equilibrium assemblage of quartz, plagioclase, K-feldspar, hornblende, biotite,...tonalitic rocks of the outer zones than in the quartz monzodioritic and monzonitic rocks of the core...igneous hornblende coexisting with biotite, pyroxene, quartz, plagioclase, K-feldspar, and Fe-Ti oxides. Several |  | | Report (issue) | | Asia: Pakistan, Afghanistan and India .......6 0 Old Mine Emeralds . . . . . . . . . . . . . . . . . . . ...intensely colored materials in the world. ... To the Western Middle Ages Many theologians of the early middle...Maharajahs and Maharanis held large emeralds (see "Old Mine Emeralds" page 62). The Color of Islam Emerald...Pedro I of Brazil to the 6 th Duke of Devon- shire. Also housed here are a number of large cut emeralds...879), trapiche emeralds are found only in the western emerald zone in the Muzo Coscuez-Pefias Blancas |  | | Journal (article/letter/editorial) | | SOMERSET COUNTY, NEW JERSEY Downloaded by [The Aga Khan University] at 04:47 09 October 2014 MARTIN A..."iron-cross twin." Calcite (e) Downloaded by [The Aga Khan University] at 04:47 09 October 2014 Figure 2...approximately 3 cm in diameter. Downloaded by [The Aga Khan University] at 04:47 09 October 2014 Figure 4...with small amygdules up to 30 cm. Figure 11. Quartz: Amethyst crystals up to 1.5 cm on fragment of...of scoriaceous matrix. Downloaded by [The Aga Khan University] at 04:47 09 October 2014 Figure 10. A |  | Morbidelli, L., Gomes, C. B., Beccaluva, L., Brotzu, P., Garbarino, C., Riffel, B. F., Ruberti, E., Traversa, G. (1997) Parental Magma Characterization of Salitre Cumulate Rocks (Alto Paranaíba Alkaline Province, Brazil) as Inferred from Mineralogical, Petrographic, and Geochemical Data. International Geology Review, 39 (8) 723-743 doi:10.1080/00206819709465298 | Journal (article/letter/editorial) | | This article was downloaded by: [The Aga Khan University] On: 14 November 2014, At: 01:58 Publisher:...of the use of the Content. Downloaded by [The Aga Khan University] at 01:58 14 November 2014 This article...05508-900 São Paulo, Brazil Downloaded by [The Aga Khan University] at 01:58 14 November 2014 L. BECCALUVA...0020-6814/97/282/723-21 $10.00 723 Downloaded by [The Aga Khan University] at 01:58 14 November 2014 724 M0RBIDELLI...outcrops are blocks of (1) Downloaded by [The Aga Khan University] at 01:58 14 November 2014 SALITRE |  | | Journal (article/letter/editorial) | | This article was downloaded by: [The Aga Khan University] On: 11 October 2014, At: 02:10 Publisher: Taylor...Cagliari, 09127 Cagliari, Italy Downloaded by [The Aga Khan University] at 02:10 11 October 2014 (Accepted...dextral Grimaud Fault: the western low- to medium-grade metamorphic sector (Western Maures) and the eastern...[Porto Vecchio-Solenzara, Downloaded by [The Aga Khan University] at 02:10 11 October 2014 Geological...2003; Elter et al. 2010). Downloaded by [The Aga Khan University] at 02:10 11 October 2014 International |  | | 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...known (e.g. Riebling and Duke, 1967; Dmitriev and Khan, 1971), but Raman spectra are lacking. Raman spectra...de Gemmologie a.f.g., 88,15-17 Dmitriev, LA., and Khan, V.P., 1971. Formation of beryl structure in glasses |  | | Journal (article/letter/editorial) | | 2N2 clhawth@cc.umanitoba.ca Downloaded by [The Aga Khan University] at 05:53 10 October 2014 C Fernando...the formation of fluoroleakeite, polylithionite, quartz, rutile, and fluorite; cámaraite is associated...the Verkhnee Espe deposit. Downloaded by [The Aga Khan University] at 05:53 10 October 2014 Figure 2...(Simba) joined the family. Downloaded by [The Aga Khan University] at 05:53 10 October 2014 ACKNOWLEDGMENTS |  | | Journal (issue) | | through quartz crystals and through calcite cleavage rhombs. I have seen them myself in quartz, but in...mineralogist is not able to recognise transparent quartz crystals on sight. [Manuscript received 25th November... 1980), turquoise (Arnould & Poirot, 1975) and quartz, especially amethyst (Zecchini, 1979; Zecchini...by plastic (Banerjee, 1972). Whereas emerald and quartz are normally investigated as single crystals, natural...from 3800-3000 cm"1. Infrared investigations on a-quartz have been done long since (e.g. Saksena, 1958; |
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