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ATHENA

MINERALOGY

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Mineral: JAHNSITE-(MnMnMn)
Formula: (Mn2+,Ca)Mn2+(Mn2+,Fe2+)2Fe3+2(PO4)4(OH)2.8H2O
Crystal System: Monoclinic
Group: Jahnsite group. Jahnsite subgroup
IMA Number: 1978 s.p.
References: MM 42 (1978), 309
Type Locality: Stewart mine, Pala, San Diego Co., California, USA

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