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ATHENA

MINERALOGY

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Mineral: PYRACMONITE
Formula: (NH4)3Fe3+(SO4)3
Crystal System: Rhombohedral (Trigonal) pseudo Hexagonal
IMA Number: 2008-029
References: L 5 (2010), 27; CM 48 (2010), 307
Type Locality: La Fossa, Vulcano Island, Is. Eolie (Aeolian Is.), Italy

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