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ATHENA

MINERALOGY

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Mineral: BORNHARDTITE
Formula: Co2+Co3+2Se4
Crystal System: Cubic
Group: Spinel supergroup. Seleniospinel group. Bornhardtite subgroup
IMA Number: 1955
References: NJMM (1955) (6), 133; HB1 (1990)
Type Locality: Trogtal quarry, Lautenthal, Harz, Niedersachsen, Germany

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