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ATHENA

MINERALOGY

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Mineral: CHALCOPHANITE
Formula: (Zn,Fe2+,Mn2+)Mn4+3O7.3H2O
Crystal System: Rhombohedral (Trigonal)
Group: Chalcophanite group
IMA Number: 1875
References: HB3 (1997); AM 99 (2014), 1956
Type Locality: Passaic mine, Sterling Hill, Ogdensburg, Sussex Co., New Jersey, USA

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