 | | Journal (issue) | | SEPTEMBER–OCTOBER 2019 Articles The Golconda District, Minas Gerais, Brazil ..........................................Huixin COVER: AUTUNITE on TOURMALINE, 11.9 cm, from the Golconda I mine, Minas Gerais, Brazil Brice Gobin...China, South Africa, Namibia, Chile, Peru, Bolivia, Brazil and Mexico. His first exchange of specimens with...September–October, 2019 The Golconda District Minas Gerais, Brazil Carlos Cornejo1 Andrea Bartorelli2 Wendell...finest bertrandite crystals and most recently fine autunite crystals with tourmaline, have sustained the Golconda |  | | Journal (issue) | | Branco claim, Sapucaia do Norte, Galiléia, Minas Gerais, Brazil. Ken Donn photo. Calcite with cuprite (chalcotrichite)...Jesse LaPlante photo. Andradite, 2.5 cm, from Las Minas, Veracruz, Mexico (no. 1085). Acquired in January...Sapo mine, Ferruginha, Conselheiro Pena, Minas Gerais, Brazil. Jeff Scovil photo. 38 Supplement to The...biotite schist matrix, 26 cm, from Northern Bahia, Brazil. Jeff Scovil photo. Supplement to The Mineralogical...roscherite, 6.2 cm, from the Lavra da Ilha near Taquaral, Minas Gerais, Brazil. Ex Rock H. Currier Collection |  | | Journal (article/letter/editorial) | | (Saône-etLoire), France, famous in mineralogy for autunite, and in art for the magnificence of the Romanesque...of the Figure 14. This shot of two crystals of autunite from the mine La Dorgissière city of Autun. Yves...fell on the same weekend. Despite time obviously, autunite, Ca(UO2)2(PO4)2·11H2O, which is not zones, Cleveland...com TOURMALINE Pederneira Mine, São José da Safira, Minas Gerais, Brazil 19 cm Photo © James Elliott |  | | Catalog/List | | images and bid online, visit HA.com/5141 AUTUNITE 53012 AUTUNITE Daybreak Mine (Dahl Lease), Mount Kit...1850’s for the Autun region of Burgundy in France, Autunite is a commonly found mineral associated with Uranium...IMPERIAL TOPAZ Ouro Preto, Iron Quadrangle, Minas Gerais, Brazil Only one area on the planet produces Imperial...commercial quantities: the Ouro Preto district in Brazil. Colors of the material produced range from pale... 53043 AQUAMARINE Guaratinga (Jaquetô), Bahia, Brazil Large and stout enough to qualify as a ‘blunt instrument’ |  | | Journal (issue) | | Chrysocolla chalcedony from Spain|Rhodochrosite from Brazil|Tourmaline mining in the DRC|Colour-zoned Cr- and...gemmologists that appeared in 2014 include tourmaline from Brazil, Tanzania and Nepal; gem-quality wurtzite and colour-change...Gemmology, 34(6), 2015 Gem Notes Rhodochrosite from Brazil Rhodochrosite usually occurs as translucent to...transparent rhodochrosite from another locality: Brazil. He obtained 12 damaged crystals that were reportedly...mined several years ago from a pegmatite in Minas Gerais State. Kaufman faceted 15 stones ranging from |  | | Journal (issue) | | Mariposa County, California • Iolite from northeastern Brazil • Kyanite widely available in Tucson • “Moonstone”... This material reportedly was from Brazil’s Minas Gerais region. The stones contained additional inclusions...crystal purchased in Governador Valadares, Minas Gerais, Brazil. Leon M. Agee sent the 17.64 ¥ 14.04 ¥ 3...curiosities is the carved bicolored beryl rose from Brazil in figure 1. Additional items are described in...and water. Figure 1. This 8.5-cm-long beryl from Brazil is carved into a rose that shows a clever use of |
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