 | Botelho, N. F., Moura, M. A., Peterson, R. C., Stanley, C. J., Silva, D. V. G. (2006) Kalungaite, PdAsSe, a new platinum-group mineral from the Buraco do Ouro gold mine, Cavalcante, Goiás State, Brazil. Mineralogical Magazine, 70 (1) 123-130 doi:10.1180/0026461067010318 | Journal (article/letter/editorial) | | platinum-group mineral from the Buraco do Ouro gold mine, Cavalcante, Goiäs State, Brazil N. F. BOTELHO1,*, M...GeocieÃncias, Universidade de BrasõÂlia, DF, 70910-900 Brazil 2Department of Geological Sciences and Geological...discovered in the Buraco do Ouro gold mine, Cavalcante town, GoiaÂs State, Brazil. It occurs in a quartz-muscovite...an unnamed Pb-Bi-Se-S mineral, clausthalite, guanajuatite, stibiopalladinite, sperrylite and padmaite...Kalungaite, PdAsSe, new mineral species, Brazil, Buraco do Ouro, gold deposit. Introduction KALUNGAITE |  | | Report (issue) | | X-ray Powder Pattern: Buraco do Ouro gold mine, Cavalcante town, Goiás State, Brazil. 1.838 (100), 1.172...30.33 . 100.00 (1) Buraco do Ouro gold mine, Cavalcante town, Goiás State, Brazil; average of 8 electron...granite. Association: Gold, bohdanowicszite, guanajuatite, clausthalite, stibiopalladinite, sperrylite...Distribution: From the Buraco do Ouro gold mine, Cavalcante town, Goiás State, central Brazil. Name: For the...community of descendants of African slaves living in Cavalcante and other towns near the locality that produced |  | | Journal (article/letter/editorial) | | uraninite at the graniterelated Buraco do Ouro gold mine, Cavalcante, Central Brazil J. MENEZ * AND N. F. BOTELHO...Universidade de Brasília, Brasília, DF 70910-900, Brazil [Received 16 February 2015; Accepted 21 March 2016;...have been reported in the northeastern part of Goiás State since the beginning of the 18th Century. The...rocks of the Ticunzal Formation. In the Buraco do Ouro gold mine, the mineralization is hosted in muscovite-quartz...(PGE)-bearing gold mineralization observed in the Buraco do Ouro mine is uncommon and unique in the context of |  | | Journal (article/letter/editorial) | | Challacolloite was described from the Challacollo silver mine, south east of Iquique, Atacama desert, northern...discussed in the publication. At the Challacollo mine, it occurs intergrown with cotunnite (PbCl2) and...powder X-ray diffraction pattern for the Challacollo mine sample (Philips X’pert powder diffractometer, CuKα...platinum-group mineral from the Buraco do Ouro gold mine, Cavalcante, Goi’s State, Brazil. Mineral. Mag., 70, 123–130...mineral from the Buraco do Ouro gold mine, Cavalcante town, Goi’s State, central Brazil. The gold deposit |  | | Journal (issue) | | mountains now, but there are many old mines and mine dumps to attract the mineral collector. The range...Rouse, 1974), the secondary minerals of the Travonia Mine in the Boulder Creek District near Maxville (French...and of the secondary minerals of the Scratch Awl Mine near Philipsburg (French, 2005). Some of us who...of the Chemical Bond.] Typical covalent compounds do not conduct electricity because all the electrons...MineralSpecies,photo by Jeffrey Scovil May 2007 Mine or Deposit Chauvai Mineral News 5---- Geologic |  | | Report (issue) | | white areas). Sample is from the Buckskin National Mine, Humboldt County, Nevada. Photograph by Peter Vikre...............................................Q26 Mine Waste Characteristics.............................1989). The total U.S. supply was always higher than mine production during this period, with a high of 831...as indicated in fig Q3.) The difference between mine production and total supply was owing to the refineries’...of selenium-rich high-grade ores from the Horne Mine at Noranda, Quebec, Canada; by 1950, Canada’s production |  | | Book (edition) | | Stibnite II/D.08-20 350 Bismuthinite II/D.08-40 352 Guanajuatite II/D.08-50 354 Ottemannite II/D.08-60 356 Tellurantimony...mineral, although in many cases, Environment these do not cover all possible genetic conditions. Reflection...bireflectance. Isotropic minerals, such as pyrite or galena, do not show bireflectance. Anisotropic minerals possess...Isotropic minerals, such as pyrite or galena, generally do not show anisotropy (although some exceptions are...(yellowish white), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // Anhedral electrum |  | | Book (edition) | | prepared as polished sections, which I was able to do in the lapidary of the Earth Science Department at...settings are specified, although in many cases, these do not cover all possible genetic conditions. Type...Group and both possess a strong bireflectance (as do the other members of the group). PPL, XPL The polarisers...reflections. Isotropic minerals, such as pyrite or galena, do not show bireflectance. Left: Radial tungstenite...preferred crystallographic orientations (axes) and do not find the time to fill interior gaps. In cases |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Crystal of multicolored tourmaline (84 x 26 mm), Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais...(Camara Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo...pedras preciosas do Brasil Bibliography 1. Gemology 2. Geology 3. Minerals - Brazil 4. Minerals- Classification... Mineralogy 6. Mineralogy - Brazil - History 7. Precious stones - Brazil I. Bartorelli, Andrea. II. Title |  | | Book (edition) | | of The Fleischer s Glossary of Mineral Species, I do so with somc sadness. On September 18, 2007, my Teacher...Thomas Armbrusler (Switzerland). Daniel Atcncio (Brazil). Malcolm Back (Canada), Henry L. Barwood (USA)...Abernathyitc, K[(UO 2 )(AsO,)](HP) 3, tet., Fumerole No. 2 mine, Temple Mountain. on the southeast flank of the...104(3). 326-328 □ Achavnlitc, FcSe, hex .. Cacheuta Mine. Ccrro de Cacheuta. Sierra de Cacheuta. Mcndoza...AgardJte-(Ce), CeCu.(AsO4)i(OH).-3H1O, hex., Clara mine, central Black Forest, Gennany,A1ifSS(2004),17-23 |  | | Report (issue) | | rare-earth elements, and antimony in China; niobium in Brazil; and platinum-group elements in South Africa and....B3 Graph showing dates associated with all the mine sites on the U.S. Environmental Protection Agency’s...production, U.S. apparent consumption, and U.S. mine production of antimony from 1900 to 2012............................F2 Graph showing world cobalt mine and refinery production and apparent consumption.....................F2 Graph showing world cobalt mine production from 1950 to 2011................... |
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