 | | Journal (issue) | | (Brazil and Colombia), central and southern Asia (Sri Lanka, India, Afghanistan, Pakistan, Russia, and China)...gem materials (i.e., emerald and other beryls, alexandrite and other chrysoberyls, ruby and sapphire, diamond...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...chrysoberyl (including both cat’s-eye [figure 5] and alexandrite) continued to be Localities of the 1990s GEMS |  | | 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 |  | | Book | | extensive native plantations in the Northern Province, especially in the Jaffna Peninsula and the outlying...and December, the rainy season of the Northern Province. Sugar or “jaggery ” is prepared from sweet toddy...of coir fibre is an important industry in the Western and Southern Provinces. The following account...made of stone inthe Western Province, or of tamarind wood in the North-Central Province; in this a heavy...to one family of ivory workers in the Kegalla District. The little figures of the last King of Kandy |  | | Journal (issue) | | TECHNIQUES 159 Inclusions in Taaffeites from Sri Lanka , Mahinda Gunawardene 163 ~ a ~ n e tProperties...good-sized pearl farm located at Cedar Lake in western Tennessee, over 20,000 mussels were nucleated....NEW TECHNIQUES INCLUSIONS IN TAAFFEITES FROM SRI LANKA By M a h j n d a G u n a w a r d e n e This article...mineralogical study of inclusions i n taaffeites from Sri Lanka, with photomicrographs of some of the most characteristic...genesis of taaffeite is discussed. Taaffeitesirom Sri Lanka, China, the USSR, Australia, and even Burma have |  | | Journal (issue) | | 5 JANUARY 1977 KORNERUPINE CAT'S-EYES FROM SRI LANKA (CEYLON) By H. J. KOREVAAR, F.G.A., Ter Aar, Netherlands...year one of the authors (Korevaar), visiting Sri Lanka, bought a parcel of 125 cat's-eyes from a gem...originate from the Weligama gem gravels in the Matara district. Back in Holland, Korevaar contacted the Dutch...are all small. Moreover, on a recent trip to Sri Lanka in February 1976, the authors noticed a lot of...Tanzania, as well as in an almandine garnet from Sri Lanka (Zwaan, 1967). He has also found similar graphite |  | | 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) | | that in the Hamersley Basin in the northwest of Western Australia, Jasper Hill, Marquette Iron Range, Michigan...Banded Iron Formation in the Hamersley Iron Province of Western Australia. Econ. Geol., 75, 184–209 Trendall...Schmetzer, K., 2000. Sapphires from Antsiranana Province, Northern Madagascar. Gems & Gemology, 36(3),...(obtained from a jadeite factory in Guangdong province, China) were examined in detail using non-destructive...Bertrand, G., and Rangin, C., 2003. Tectonics of the western margin of the Shan plateau (central Myanmar): implication |  | | 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) | | Pegmatitic District, Argentina Fernando Guillermo Sardi Abstract: The Velasco Pegmatitic District is located...located in the Velasco range, La Rioja province, northwestern Argentina. The Velasco range is made up of...Sanagasta granites. The pegmatites in the Velasco district have a spatial and genetic relationship with these...also present in some pegmatites from the Velasco district. Keywords: aquamarine, gemstone, heliodor, pegmatite...Aimogasta Area of the Velasco range LA RIOJA PROVINCE 200 km e Velasco rang The Velasco range is located |  | | Journal (issue) | | Fuchsite Phantom Inclusions | Tourmaline from Sri Lanka with Transient Tenebrescence? | Diving for Natural...710–725 of this issue) and therefore does not have a Sri Lankan origin as commonly described for Roman sapphires...Trapiche Ruby from Khoan Thong, Luc Yen Mining District, Northern Vietnam 726 By Isabella Pignatelli...including diamond, emerald, aquamarine, chrysoberyl, alexandrite, iolite, garnet, euclase, tourmaline and quartz-family...an existing deposit such as those in the Karoi District or the Zambezi Valley (cf. www.mindat.org/ locentries |  | | Journal (issue) | | 274-280 281 257 Gem-quality musgravite from Sri Lanka Dr Karl Schmetzer1, Dr Lore Kiefert2, Dr Heinz-Jurgen...transparent, gem-quality rough musgravite from Sri Lanka are presented. A detailed analysis of musgravite...Introduction Over the last few years, the gem island of Sri Lanka has supplied some new and extremely rare gem materials...faceted samples are known. Another gem species from Sri Lanka which could be placed on a list of extremely rare...taaffeites of gem quality have come predominantly from Sri Lanka, with only a few rare samples reported to come |  | | Journal (issue) | | flame fusion synthetic spinel and most synthetic alexandrite can be identified rapidly. The sensitivity to...Afghan beryls from pegmatites at Ghursalak in Konar Province (aquamarine, morganite) and from the Panjshir...the Nilaw, Mawi and Kurghal regions of Laghman Province from cavities in pegmatite veins (Figure 1). ...Beryl samples from pegmatites of Ghursalak (Konar Province) and Panjshir Valley in NE Afghanistan were provided...of emerald occur in the Panjshir Valley (Kapisa Province). The Nilaw-Kolum Pegmatite Field (35°12' N and |  | | Book (volume) | | Drosdov and A.P. Turinge 331 Gems deposits of Sri Lanka E. Gaminee Zoysa 343 Precious and semi-precious...formation were found in Mimecha-Kotui carbonatite province. This deposits are not mining yet for their difficult...modern quartz sand from iron in Pinar-del-Rio province, Cuba. Quartz sand places on the lowland derived...swamp with brown water enriched by organic. At the western side there is iron bearing sand that is absolutely...operation in Khingan brucite =magnesite= bearing province, Khabarovsk Territory, USSR. There are small brucitite |  | | Journal (issue) | | rope and twine industr)" is mainly located in the Province .of Ontario ,vll1cl1 accounts for So per cent...Edaphic req_uireme1its. In the mastic growing district of Chios i.e. the south-east corner of the island...average annual rainfall in the mastic growing district is said to be 75 cm. A notable phenomenon is the...}11t soil pl 11tift1l in the mastic g1·0,\rino- district ( ratl1er similar t th ,, 1 ,vl1it ' ' Ha\ a1·a...the present tobacco-growing district of Lilongwe in the Central Province. It is considered that if good |
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