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ATHENA

MINERALOGY

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Mineral: MATHIASITE
Formula: (K,Ca,Sr)(Ti,Cr,Fe,Mg)21O38
Crystal System: Rhombohedral (Trigonal)
Group: Crichtonite group
IMA Number: 1982-087
References: AM 68 (1983), 494; HB3 (1997)
Type Locality: Jagesfontein diamond mine, Orange, South Africa

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