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ATHENA

MINERALOGY

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Mineral: BRAUNITE
Formula: Mn2+Mn3+6SiO12
Crystal System: Quadradic (Tetragonal)
Group: Braunite group
IMA Number: 1828
References: AM 61 (1976), 1226; HB2/1 (1995)
Type Locality: Oehrenstock, Ilmenau, Germany

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