 | | Report (issue) | | Betpakdalite-CaCa [Ca2(H2O)17Ca(H2O)6][Mo6+8As5+2Fe3+3O36(OH)] Crystal Data: Monoclinic. Point Group:...90O32.44(OH)4.56]. Mineral Group: Betpakdalite supergroup, betpakdalite group. Occurrence: Filling cracks...characterized material from the Descubridora mine, Pampa Larga district, Copiapó, Chile; at Bajan Cogto, Mongolia;...Mongolia; from the Rustler mine, Gold Hill district, Tooele County, Utah, USA; and the Nedre Kvartsen quarry...(1) Yermilova, L.P. and V.M. Senderova (1961) Betpakdalite – a new mineral from the oxidation zone of the |  | Kampf, A. R., Mills, S. J., Rumsey, M. S., Dini, M., Birch, W. D., Spratt, J., Pluth, J. J., Steele, I. M., Jenkins, R. A., Pinch, W. W. (2012) The heteropolymolybdate family: structural relations, nomenclature scheme and new species. Mineralogical Magazine, 76 (5) 1175-1207 doi:10.1180/minmag.2012.076.5.09 | Journal (article/letter/editorial) | | SW7 5BD, UK Pasaje San Agustin 4045, La Serena, Chile Department of the Geophysical Sciences, The University...ABSTRACT Type specimens of the molybdoarsenates betpakdalite, natrobetpakdalite and obradovicite and the...isostructural with betpakdalite and that obradovicite has a closely related structure. The betpakdalite and obradovicite...general formula for minerals with either the betpakdalite or the obradovicite structure is: [A2(H2O)nB(H2O)6][Mo8T2Fe3+...nomenclature scheme is established for minerals of the betpakdalite, mendozavilite and obradovicite groups, with |
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Descubridora mine, Pampa Larga mining district, Tierra Amarilla, Copiapó Province, Atacama, Chile