 | | Journal (issue) | | supplier, the fluorite was mined from Cao Bang Province, northeast of Yen Bai. The crystal surfaces were...29.05 ct fluorite is reportedly from Cao Bang Province in northern Vietnam. Photo by Bilal Mahmood. ...yellow-green grossular from Kambanga, Taita-Taveta District, Voi, Kenya, is notable for having a significantly...at the Tourmaline Queen mine, also in the Pala District (e.g. Larson, 2012). So far, approximately three...2011. Recent finds at the Oceanview mine, Pala District, San Diego County, California. Rocks & Minerals |  | | Journal (issue) | | (Brazil and Colombia), central and southern Asia (Sri Lanka, India, Afghanistan, Pakistan, Russia, and China)...come from a number of sources, but predominantly Sri Lanka. Accented with smaller diamonds, the 129 gem corundums...the areas omitted (e.g., Russia, North America, western Africa, and China), they were less significant—in...gems (i.e., apatite, benitoite, charoite, chrome diopside, feldspar, iolite, lapis lazuli, maw sit sit,...Boehm, March 1993. the alluvial gem fields of Sri Lanka and the pegmatite districts of Brazil. Efforts |  | | Journal (issue) | | Prospectors' Guide Map to the Gem Deposits of Sri Lanka C. B. Dissanayuke and M.S . Rupasinghe Two Treated-Color...CT; Mary C. Jensen, Toledo, OH; Joyce G. Jessen, Western Springs, IL; Jerry Johnson, Kennewick, WA; David...of metamorphic origin (from localities such as Sri Lanka, Myanmar, Please see LETTERS, p. 226 Figure B...Edwardian England and their counterparts in other Western countries. Distinct from the more conservative...pearls, preferred by Western society, were Bahrain in the Persian Gulf, Ceylon (now Sri Lanlza), and Australia |  | | Journal (issue) | | round brilliant-cut, both from the Argyle mine in western Australia. They represent typical examples of Hrich...some rare hydrogen-rich diamonds from Argyle in western Australia exhibit a violetish-grey to greyish-violet...1983); therefore, in spite of of its better from Sri Lanka, show X-ray diffraction diffraction data which...reliableidentificaidentification.localities in Sri Lanka, and also from at least one diffraction seems...tion. locality in Burma (Spengler, 1983). In Sri Lanka refractive a zincian variety with relatively high |  | | Journal (issue) | | Spinels of Mogok – A Brief Overview Spinels from Sri Lanka 54 The Spinels of Mahenge, Tanzania In Search...Responsibility 94 Book Review Discovering the Gems of Sri Lanka 98 100 108 113 Members 14 Saurabh Bansal Damien...Shirley Xue Li Zhang, Hong Kong E. Gamini Zoysa, Sri Lanka Advisors Jean Claude Michelou, Colombia Ruben...gem-mining and jewelry conglomerates call for strict Western policy standards of compliance. These contradict...countries, as well as Ilakaka in Madagascar and Sri Lanka (Langerwey, 1974; Gorghinian et al., 2013). Until |  | | Journal (issue) | | inclusion in a pink spinel octahedron from Sti Sri Lanka. Photomicrograph by Photomicrograph byJohn JohnI...For illustration of this technique, a natural pink Sri Lankan spinel crystal containing a transparent, ...X-ray means as a comparatively common inclusion in Sri Lankan spinels (Gübelin and Koivula, 1986). This...in Hanoi, one in Ha Nam Ninh Province and another in Hai Hung Province, the latter two are both in the...(Pindobacu township, State of Bahia) located on the western slope of the Serra de Jacobina, alexandrite is |  | | Catalog/List | | DIAMOND PENDANT Coscuez, La Peña Blancas Muzo Mining District, Columbia Of large size for the species, this...TRAPICHE EMERALD Coscuez, La Peña Blancas Muzo Mining District, Columbia Trapiche emeralds are in a class by...sold without reserve 2063 CAT’S EYE HELIODOR Sri Lanka A large oval cabochon beryl displaying a bright...000 2084 2085 CHRYSOBERYL VAR. ALEXANDRITE Sri Lanka The oval, mixed-cut Chrysoberyl var. Alexandrite...Accompanied by a Global Gem Testing Laboratory, Colombo, Sri Lanka gem brief numbered 51643 dated April 25, |  | | Journal (issue) | | instrumentation such as LA-ICPMS—once primarily the province of academia—became a fixture in many gemological...were combined under the jurisdiction of the U.S. District Court of New Jersey 168 PRODUCTION AND MARKETS...gems—cut supplies of Myanmar’s ruby and jade in Western markets to virtually nothing. This was particularly...addition to the traditional spinel sources of Sri Lanka, Pakistan, and Myanmar (spinel, if polished elsewhere...(Laurs, 2009) following a 1999 discovery in the western part of that country. Large-Scale Mining Operations |  | | Journal (issue) | | Sonderheit, 140--149, Heidelberg 1971. READ, H. H. : Diopside-bearing pegmatite near Ellen. - Trans. Edlnb....cells and are discussed with the system forsterite-diopside-Si02. Die Untersuchung isobarer Schmelzgleichgewichte...Liverpool 1970. KUSHIRO, J.: New data on the system diopside-forsterlte-siliea. Ann . Report Carnegle Inst...fiUS etwa 20 km nördlich auf der Straße nach Avissawella bis Kuruwita, dann in diesem Dorf den zweiten |  | | Book | | altorientalisches Dichterwort die paradiesische Insel Lanka an der Siidspitze Indiens. Es hat bis heute seine...von Edelsteinen wie gerade Ceylon.Bereits in den Lanka-Sagen finden sich manche Hinweise auf Ceylons Edelsteinreichtum...ausser Gewiirzen auch Perlen und edle Steine aus Lanka, wie Ceylon im Altertum hiess, exportiert wiirden...im Tai des Sitawaka-Ganga. Die Umgebung von Avissawella, Ratna pura und Balangoda unterhielt die am...befreit wurden. Vom palaoncologischen Institut in Colombo sind diese Fossilien wahrend 25 Jahren an zahlreichen |  | | Report (issue) | | ___________________ _ Cape of Good Hope Province ___________ _ Transvaal Province ____ -_-_------------Natal __...----------------------Victoria ___ ---------------------------_ Western Australia ___ ------------------New Zealand ______...Coastal Plain province ___________________ _ Stream sediments in the Coastal Plain province ________________________...and placers in the Blue Ridge province _____________ _ Spruce Pine district ____________ Madison County...Haywood County _____________________ _ Zirconia district ___________ ----Macon, Jackson, and Clay Counties |
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