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ATHENA

MINERALOGY

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Mineral: JAHNSITE-(CaMgMg)
Formula: {Ca}{Mg}{Mg2}{Fe3+2}(PO4)4(OH)2.8H2O
Crystal System: Monoclinic
Group: Jahnsite group. Jahnsite subgroup
References: AM 93 (2008), 90
Type Locality: Tip Top pegmatite, Custer, Custer Co., South Dakota, USA
Comments: Not approved

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