 | | Journal (article/letter/editorial) | | and spessartine. Historic localities are found in Brazil, Madagascar, Russia, and the United States, but...(Simmons 2007). Historically, pegmatite deposits in Brazil, Madagascar, Russia, and the United States have...Acadêmico Hélio Ramos, 54740-530, Recife, Pernambuco, Brazil E-mail: beurlen@ufpe.br E LEMENTS , V OL . 8,...right from the upper left, pink morganite beryl (Brazil, 100.99 ct, 35.96 × 25.69 mm), blue topaz (Zimbabwe...red-violet elbaite tourmaline (Brazil, 16.87 ct), blue aquamarine beryl (Brazil, 17.96 ct), orange spessartine |  | | Journal (issue) | | epidote deposits of the Capelinha Region, Minas Gerais, Brazil ......................................315...epidote on matrix, 4.4 cm, from Capelinha, Minas Gerais, Brazil. Gail and Jim Spann collection; Tom Spann...w. FineMineral.com Tourmaline Cruzeiro Mine, Brazil. 19.5 cm Fine Minerals International proudly invites...EPIDOTE DEPOSITS OF THE CAPELINHA REGION, MINAS GERAIS, BRAZIL Andrea Bartorelli1 Carlos Cornejo2 Mario...mid-1960s, the Capelinha region in the State of Minas Gerais, Brazil, has become world-famous for producing beautiful |  | | Journal (article/letter/editorial) | | miarolitic cavity, Telirio mine, Linopolis, Minas Gerais, Brazil. (c) Left: Lithiophilite (7 × 5 × 5 cm)...March/April 2017 149 Figure 4. (a) Petalite, with pollucite and quartz, Tanco mine, Bernic Lake, Manitoba...Zimbabwe (e.g., Cooper 1964), the Araçuaí district, Minas Gerais, Brazil (e.g., Preinfalk, Morteani, and...Miarolitic pegmatites in California, Afghanistan, and Brazil produce gem-quality spodumene crystals in miarolitic...5 × 1.5 cm, Governador Valaderes region, Minas Gerais, Brazil. Terry Huizing specimen, Jeff Scovil photo |  | | Journal (article/letter/editorial) | | daughter crystals comprising albite, cookeite, pollucite–analcime, quartz and diomignite (Li2B4O7), together...mineralization, of the Araçuaí pegmatite district (Eastern pegmatite province, Minas Gerais, Brazil). Chem. Erde...alteration of spodumene, petalite, eucryptite and pollucite in granitic pegmatites: exchange reactions with |  | | 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...var. ROSE QUARTZ Galiléia, Doce Valley, Minas Gerais, Brazil Here is a cockscomb arrangement of Rose...Itatiaia 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 |  | | Journal (article/letter/editorial) | | the margins inwards, with rare minerals such as pollucite Main author’s current address: Geological Survey...Cachoeira Group (Romeiro and Pedrosa-Soares 2005), Brazil Lake (Kontak 2006) and Kings Mountain (Swanson...LCT-suite pegmatite with late-stage sodium enrichment, Brazil Lake, Yarmouth County, Nova Scotia. I. Geological...LCT-suite pegmatite with late-stage sodium enrichment, Brazil Lake, Yarmouth County, Nova Scotia. II. Implications...espodumênio em pegmatitos da Mina da Cachoeira, Araçuaí, Brasil. Geonomos 13, 75-81. Shearer C.K., Papike |  | | Journal (issue) | | mining in Sri Lanka • Green cat’s-eye spodumene from Brazil • Color-zoned topaz • Variscite from Peru • Corundum...environments (figure 1). Some contemporary sources are Brazil, Uruguay, Zambia, Namibia, Mexico, Russia, Arizona...Origin Bolivia (Anahí) Bolivia (Anahí) Brazil (Marabá) Brazil (Pau d’Arco) France (St. Raphael) Japan...al., 2005). Some natural material from (Marabá) Brazil shows total absorption in the ~3600 to 3000 cm–1...Kitawaki H. (2002) Natural amethyst from Caxarai mine, Brazil, with a spectrum containing an absorption peak |  | | Journal (issue) | | TRINCHILLO TOURMALINE WITH LEPIDOLITE Cruzeiro Mine, Brazil 16 cm | w w w.FineMineral.com MINERALS C...repaired elbaite crystal from the Pederneira mine, Brazil, that is in the Carnegie Museum of Natural History...from the Cruzeiro mine, São José da Safira, Minas Gerais, Brazil. Mim #2110, acquired in 2019; this is a...volume 54, July–August, 2023 Figure 24 (right). Pollucite crystal, 11.2 cm, on an 18-cm matrix, from Laghman...Augustin de Valence photo. Figure 26 (below). Pollucite crystal (5.4 cm) with elbaite crystal (7.8 cm) |  | | Book (edition) | | m (26 ft) thick at Urubu, near Araçuai, Minas Gerais, Brazil. Fine pink and green gem-quality tourmaline...acid members of the volcanic province in southern Brazil and Uruguay, and the fire opals occurring in small...amethyst from volcanic rocks in Rio Grande do Sul, Brazil. The amethyst crystals are more strongly coloured...Alluvial sands containing diamonds near Sopa, Minas Gerais, Brazil The above discussion has concentrated on...worldwide but some of the most important are in Brazil, where the gem-quality deposits are associated |  | | Journal (issue) | | Krzemnicki M.S., 2007. “Paraiba” tourmalines from Brazil and Africa—Origin determination based on LA-ICP-MS...Ribeiro, owner of the Belmont emerald mine in Minas Gerais, Brazil, gave a stunning presentation on their modern...sources of opal, including Australia (e.g. Figure 3), Brazil, Ethiopia, Honduras, Mexico, Indonesia, Slovakia...mineral inclusions in diamonds from the Juina area of Brazil, which are rather unique geologically because of...Museum, Bethel, USA) and co-authors described gem pollucite from the Mount Mica pegmatite near Oxford, Maine |
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Araçuaí, Minas Gerais, Brazil