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ATHENA

MINERALOGY

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Mineral: JAHNSITE-(CaFeFe)
Formula: {Ca}{Fe2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2.8H2O
Crystal System: Monoclinic
Group: Jahnsite group. Jahnsite subgroup
References: AM 33 (2000), 16
Type Locality: Hime shima, Oita prefecture and Kobe, Hyogo prefecture, Japan

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