41)(Si3.86Al0.10 Fe0.04O10)(OH)2 from Mikhailovskii mine, Zheleznogorsk, Russia (Chukanov 2014a). IR spectra...In Fe3+-bearing Mg-poor schorl from the Limoeiro mine, Murta, Minas Gerais, Brazil, the band of OH groups...from the oxidation zone of the Sainte Marie aux Mines deposit, France (b), and koritnigite Zn(HAsO4)·H2O...area), olmiite CaMn(HSiO4)(OH) from N’Chwaning II mine, Kalahari manganese fields, South Africa (c), and...brandtite Ca2Mn(AsO4)2·2H2O from skarn (Harstigen mine, Sweden) (b), and roselite Ca2Co(AsO4)2·2H2O from |