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ATHENA

MINERALOGY

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Mineral: VERNADITE
Name: Вернадит
Formula: (MnO2)(Mn4+,Fe3+,Ca,Na)(O,OH)2.nH2O
Crystal System: Hexagonal
IMA Number: 1944
References: Clays Clay Min. 28 (1980), 346; HB3 (1997); Acta Crystallographica B75 (2019), 591
Type Locality: Kusimovskiy mine, Magnitogorsk, Urals, Russia

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