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ATHENA

MINERALOGY

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Mineral: JAHNSITE-(NaFeMg)
Formula: NaMg2Fe3+3(PO4)4(OH)2.8H2O
Crystal System: Monoclinic
Group: Jahnsite group. Jahnsite subgroup
IMA Number: 2007-016
References: AM 93 (2008), 940
Type Locality: Tip Top pegmatite, Custer, Custer Co., South Dakota, USA

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