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ATHENA

MINERALOGY

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Mineral:VERNADITE
Formula:(MnO2)(Mn4+,Fe3+,Ca,Na)(O,OH)2 · nH2O
Crystal System:Hexagonal
Strunz Nr:4/D.10-30
References:Clays Clay Min. 28 (1980), 346; HB3 (1997)
Type Locality:Kusimovskiy mine, Magnitogorsk, Urals, Russia

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