 | Karfunkel, J., Chaves, M. L. S. C., Svisero, D. P., Meyer, H. O. A. (1994) Diamonds from Minas Gerais, Brazil: An Update on Sources, Origin, and Production. International Geology Review, 36 (11) 1019-1032 doi:10.1080/00206819409465502 | Journal (article/letter/editorial) | | tandfonline.com/loi/tigr20 Diamonds from Minas Gerais, Brazil: An Update on Sources, Origin, and Production...Geology , Federal University of Minas Gerais , Belo Horizonte, Brazil b Department of Geology , University...University of Sao Paulo , Sao Paulo, Brazil c Department of Earth and Atmospheric Sciences , Purdue University...Svisero & H. O. A. Meyer (1994) Diamonds from Minas Gerais, Brazil: An Update on Sources, Origin, and Production...Inc. All rights reserved. Diamonds from Minas Gerais, Brazil: An Update on Sources, Origin, and Production |  | | Book | | 1982 Jules Roger Sauer â Foreword For years Brazil has been the major producer of colored stones in...metamorphic rocks, the variety of gem deposits in Brazil is almost infinite. In addition to the mineral...assemblage one might expect from pegmatite dikes, Brazil also produces a very significant output of diamonds...written in English, and beautifully illustrated. âBrazil, Paradise of Gemstonesâ, by Jules Roger Sauer,...the Cruzeiro tourmaline and mica mine and the Jacobina amethyst mine. He owns several other mines as well |  | | Book | | 00 More than 420 full-color illustrations The diamond occupies a unique position in the history of the...prospectors, min- eralogists, gemologists, engineers, diamond cutters, jewelersâare men who have earned the respect... and Kimberley. The second section, THE ROUGH DIAMOND AND ITS ORIGINS, takes the reader to the actual...the mines of South Africa and India, Zaire and Brazil, Sierra Leone and Venezuela, Angola and Borneo...and pleasure. The 130.27-carat Light of Peace diamond, shown on the front cover, was cut from a 434.6-carat |  | | Book | | BARTORELLI ::⢠. . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA Š...Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais. Collection of Alvaro Lucio. Photograph taken...Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo, Andrea...3. Minerals - Brazil 4. Minerals- Classification 5. Mineralogy 6. Mineralogy - Brazil - History 7. Precious...Precious stones - Brazil I. Bartorelli, Andrea. II. Title. 09-10025 Cover photograph: Crystal of brazilianite |  | | Journal (issue) | | The lead article of this issue covers Brazilian diamond production,which reached its peak in the late 1700s...ct natural Fancy Light pink antique pear-shaped diamond set in darkly patinated silver ribbons over gold...notable localities of diamond mining in Brazil, and outlines plans for future diamond production. pg. 3...collector stones ⢠Orangy red cordierite ⢠Cape diamond with yellow phosphorescence ⢠Sapphire filled with...in CVD synthetic diamond ⢠HPHT synthetic melee ⢠Intense green HPHT synthetic diamond ⢠Titaniumdiffused |  | | Journal (issue) | | 2 TABLE OF CONTENTS FEATURE ARTICLES 67 The Diamond Deposits of Kalimantan, Borneo L. K. Spencer, S...of the authors and not of the publishers. THE DIAMOND DEPOSITS OF KALIMANTAN, BORNEO By L. I<. Spencer...least reported on -sources of diamonds. Although diamond mining historically was concentrated in the western...greatly with the sophisticated techniques used to mine the first bulk sample pit. Virtually all o f the...guidance. (0 1988 Gemological Institute of America Diamond Deposits of Borneo B orneo is an island of the |  | | Report (issue) | | Grade, tonnage, and deposit-specific model of diamond kimberlite pipes (12) ...........................Grade, volume, and deposit-specific models of diamond placers (39d) ...................................of the following items: ~ Deposits, except for diamond placers, were not grouped by the authors using...Advocate Asbestos Hill Asbestos Island Baryulgil Bell Mine Belvidere Bird-Ginn (Matheson) Black Lake British...Canadian Caley Carey/East Broughton CanaBrava Cassiar Mine Clinton Creek Coalinga Continental Copperopolis |  | | Journal (issue) | | at the International Gemmological Conference in Brazil in 1987 entitled 'Imitation pearls and their coatings'...quantities of rough and faceted alexandrites from Brazil (Bank et al, 1987a; Bank et al, 1987b; GĂźbelin...purchased it personally in the rough at the mine in Brazil and had also cut it himself (which, however...Vorkommen Vorkommenbei beiHematita Hematitainin Minas Minas dritevon Zeitschrift der derDeutschen Deutschen...Gemmologischen Gemmologischen Gerais, Brasilien. Brasilien. Zeitschrift Gerais, Gesellschaft,36, 36,121-31 |  | | Journal (issue) | | carved emerald on the knuckle guard and adjacent diamond terminating the quillon. Fig. 5. .The outside...the hexagonal emerald in the quillon block. b) Diamond The diamonds range in size from tiny chips to cut...designs. The margins of the irregular Fig. 7. The diamond terminating the quillon opposite the knuckle guard...pavilion pavilion facets of observed tabular diamond diamond described described by Jobbins et al (1984)...knuckle to or coincident of the quillon the diamond diamond has a row of of guard end end of guard 16 rectangular |  | | Book | | about diamonds trip readily off the tongue. A diamond may be âforeverâ and âa girlâs best friendâ, but...but the truth about the international diamond business is not so romantic. Timothy Green has travelled... salesmen and smugglers not only in the main diamond centres of London, New York, Antwerp, Tel Aviv...to replace South Africa as the worldâs champion diamond producer by 1985. It is also a business in which...most illustrious diamond salon; Lazare Kaplan, who studied the famous Jonker diamond for a whole year |  | | Book | | 447 467 491 Company Index 503 Tables: World Mine Production of Gold, Silver and Base Metals 5A2...Mining OFFICES: 5011 Meadowood Way Paradise Peak Mine Suite 300 (100% FMC Gold) * Sales Reno, Nevada...Elko, Nevada (303) 292-7500 Royal Mountain King Mine (100% FMC Gold) Copperopolis, California Beartrack...restricting exports failed because of smuggling from Brazil. The ATPC hopes for better results in 1991-92,...because Escondida, the world's third-largest copper mine, high in the mountains of Chile's Atacama desert |  | | Book | | my fat her, Elmer Charles Koivula, who, like a diamond, had many admirable qualities. Forward O f...f all the materials used as gem stones, diamond stands out from the crowd for many reasons. One of these...these is that more is pub lished about diamond than all the other gem materials placed together. So...So why do we have here yet another cauldron of diamond information? John Koivula is a gemologist of a very...produce a volume of com pacted information on diamond that is easily read and understood by everyone |
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