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ATHENA

MINERALOGY

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Mineral: CONGOLITE
Formula: (Fe2+,Mg,Mn)3B7O13Cl
Crystal System: Rhombohedral (Trigonal)
Group: Boracite group
IMA Number: 1971-030
References: AM 57 (1972), 1315; HB5 (2003)
Type Locality: Brazzaville, Congo

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