 | | Catalog/List | | Compared to the output of place such as Afghanistan or Brazil, the production from Elba is relatively small....59 BRAZIL 73060 TOPAZ var. IMPERIAL TOPAZ Ouro Preto, Iron Quadrangle, Minas Gerais, Brazil This specimen...ROSE QUARTZ Galiléia, Doce Valley, Minas Gerais, Brazil Here is a cockscomb arrangement of Rose Quartz...mine, Conselheiro Pena, Doce Valley, Minas Gerais, Brazil This rather sizable, pale blue-green Aquamarine... 73063 RHODONITE Conselheiro Lafaiete, Minas Gerais, Brazil Here sharp rosy crystals up to 1.33 inches (3.4 |  | | Catalog/List | | head into the interior. These are the result of Dolomite crystals being incorporated into the Fluorite...deposits of Butte ultimately resulted in an open pit mine that swallowed a good portion of the town of...Butte. When the mines closed in 1982, the Berkeley Pit measured 0.5 mile x 1 mile wide and 1,780’ deep....mines that were engulfed by the expanding Berkeley Pit and are now gone. This choice Enargite specimen displays...com/5168 52053 MAGNESITE Brumado (Bom Jesus dos Meiras), Bahia, Brazil As prevalent as Magnesium Carbonate |  | | Journal (issue) | | tourmaline pockets were encountered at the Dunton gem pit in Newry, Maine. Dean McCrillis joined the dig, at...around the corner and drilled in the floor of the pit where the dump had been. We quickly got into what...quality. Now wild horses couldn’t tear me from the pit! “The pocket went back into the solid quarry wall...kaolin-producing pegmatite, Vila Remo, São Paulo, Brazil; collected in 1964 with my classmate Carlos Isotta...stalactite, 3.5 cm, from Curionópolis, Serra dos Carajas, Pará, Brazil. All specimens are still in my collection |  | | Journal (issue) | | Gerais, Brazil. (4) Humite, 2.3 cm, from Mount Somma, Italy. (5) Palladium, 2.1 cm, from Brazil. (6) Mellite...from the Jequitinhonha River area, Minas Gerais, Brazil. 4 Refined Elegance, a Supplement to The Mineralogical...of Gustav Seligmann (1849–1920), illustrated in Das Mineralreich (“The Mineral Kingdom”) (1903) by Reinhard... from Minas Gerais, Brazil. (10) Chrysoberyl, 2.4 cm, from Minas Gerais, Brazil. (11) Euclase, 2.1 cm...cm, from Minas Gerais, Brazil. (12) Olivine, 2.7 cm, from St. John’s Island, Egypt. given the poorly |  | | Journal (issue) | | 0026-4628 'Continued on p. 415 Articles Diamonds in Brazil .................................................Universitaria, Ilha do Fundao 21.910 Rio de Janeiro, Brazil Since their discovery in Minas Gerais, near the...mining, fables and dreams. By the end of the 1700’s Brazil had become the world’s leading producer of diamonds...century. fficially the discovery of diamonds in Brazil is dated at 1727. Gold prospectors had found occasional...false idea that Brazil is a producer.” The sheer volume of diamonds coming from Brazil soon overwhelmed |  | | Journal (issue) | | section to indicate localities. Except for open-pit mines, many western localities are underground so...zone between Be-bearing granites and limestone-dolomite. In 1975 a similar occurrence of taaffeite in...mica-fluorite metasomatite intersecting a limestone-dolomite near the outer contact of a granite pluton. Taaffeite...intrusion of rapakivi granite into limestone and dolomite. They are contained in skams and are relatively...related to contact metaso matism of limestone-dolomite by Be-bearing granitic intrusions. At the fourth |
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Pomba pit, Serra das Éguas, Brumado, Bahia, Brazil