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ATHENA

MINERALOGY

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Mineral:JAHNSITE-(NaFeMg)
Formula:NaMg2Fe3+3(PO4)4(OH)2 · 8H2O
Crystal System:Monoclinic
Strunz Nr:7/D.29-45
Group:Jahnsite group
References:AM 93 (2008), 940
Type Locality:Tip Top pegmatite, Custer, Custer Co., South Dakota, USA

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