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ATHENA

MINERALOGY

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Mineral: CRYPTOMELANE
Formula: K(Mn4+,Mn2+)8O16
Crystal System: Monoclinic pseudo Quadradic (Tetragonal)
Group: Hollandite supergroup. Coronadite group
IMA Number: 1982 s.p. ?
References: HB3 (1997)
Type Locality: Chindwara, India

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