 | | 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 (article/letter/editorial) | | characteristic of gem tourmaline found in Pederneira, Minas Gerais, Brazil. SPECIMEN FROM DANIEL TRINCHILLO ; PHOTO... Canary Mn 2+ (d), Mn 2+ -Ti4+ IVCT Green Verdelite Fe2+, Fe3+(d), Fe2+ -Ti4+ IVCT Elbaite, “fluor-elbaite...TOBER 2011 Faceted elbaite stones from Paraíba, Brazil (2.59– 3.68 ct; the stone on the left is about...names are rubellite (rose, dark pink, to red), verdelite (yellow-green to green), indicolite (blue-green...discovery in the late 1980s in the Paraíba State of Brazil (e.g. Fritsch et al. 1990; Beurlen et al. 2011 |  | | 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...to fluid overpressure; and throughout the book verdelite (green tourmaline) is referred to as ‘verdilithe’ |
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