 | | 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...photo by Maha Tannous. Figure 5. Cat’s-eye chrysoberyl is among the most prized of phenomenal stones;...Hammid and Christie’s Hong Kong. CHRYSOBERYL The major sources of chrysoberyl (including both cat’s-eye [figure |  | | Journal (issue) | | September 2014, these include beryl (emerald), chrysoberyl (including alexandrite), corundum (ruby, blue...colour that are strongly reminiscent of cat’s-eye chrysoberyl. Christopher L. Johnston (chris@johnstonnamibia...chatoyant apatite, which resembles fine cat’s-eye chrysoberyl. Photo by C. L. Johnston. Cairncross B., Campbell...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. |  | | 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) | | and gem deposits of alexandrite, cat's-eye and chrysoberyl in Brazil' pp. 333-54) ISSN: 0022-1252 F.G...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 |  | | 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 |  | | 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...ART, GEMSTONES AND MINERALS | 43 2083 2083 CHRYSOBERYL VAR. ALEXANDRITE: TWO SPECIMENS Zimbabwe Each...exhibiting a different crystal habit of the mineral chrysoberyl and both showing good color change including |  | | Journal (issue) | | Branch: I. Knight, F. G .A. South Yorkshire & District Branch: I. R. M. Lewis, F.G.A. Examiners: B. W...originate from sources near Lundazi in the eastern province. Pegmatites mined in that area a number of years...FERROAXINITE-ANOTHER FERROAXINITE—ANOTHER NEW GEM FROM SRI LANKA By HENRY HENRY A, Ph,D" F.G,A" A. HANNI, HÄNNI...have referred to the abundance of gemstones in Sri Lanka. As one of the productive localities of valuable...South-East Asian locality. During his visit to Sri Lanka in October 1980, one of the authors (M.G.) was |  | | 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) | | 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) | | Benton & S. Avel/n 83 Euhedral sinhalite from Sri Lanka ............................ 91 by L. C. Pit/lln11...locally abundant. Diamond Hill is formed on the western limb of a nonh-south-trending syncline with displacement...Mure-Ii-April /995 EUHED RAL S INHALI TE CRYSTALS FROM SRI LANKA v�v Lawrence C. Pitman, Cornelius S. Hu rlbut...Euhedral sinhalite crystals, reported here ji·om Sri Lanka for the first time, have yielded mo,phological...minerals found in the alluvial gem deposits of Sri Lanka. It was first recognized and described as a new | | | Journal (issue) | | Benton & S. Avella 83 Euhedral sinhalite from Sri L a n k a .........................................locally abundant. Diamond Hill is formed on the western limb of a north-south-trending syncline with displacement...Euhedral sinhalite crystals, reported here from Sri Lanka fo r the first time, have yielded morphological...minerals found in the alluvial gem deposits of Sri Lanka. It was first recognized and described as a new...noted sinhalite from Eheliyagoda in Sabaragamuwa Province. Gunawardene and Rupasinghe (1986) in cluded |  | | 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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