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ATHENA

MINERALOGY

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Mineral: GRANDIDIERITE
Formula: (Mg,Fe2+)Al3(BO4)(SiO4)O
Crystal System: Orthorhombic
IMA Number: 1902
References: BM 99 (1976), 58; HB2/1 (1995)
Type Locality: Andrahomana, Taolagnaro (Fort-Dauphin), Madagascar

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