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ATHENA

MINERALOGY

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Mineral: GRAFTONITE
Formula: Fe2+Fe2+2(PO4)2
Crystal System: Monoclinic
Group: Graftonite group
IMA Number: 1900
References: AM 53 (1968), 742; HB4 (2000); EJM 29 (2017), 344
Type Locality: Grafton, Melvin Mt, New Hampshire, USA

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