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ATHENA

MINERALOGY

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Mineral: CUSPIDINE
Formula: Ca8(Si2O7)2F4
Crystal System: Monoclinic
Group: Wöhlerite group
IMA Number: 1876
References: AM 43 (1958), 1195; HB2/1 (1995); MM 86 (2022), 661
Type Locality: Monte Somma, Vesuvio (Vesuvius), Napoli, Campania, Italy

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