Owl - coll. P.P. ATHENA

MINERALOGY
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Mineral:WALENTAITE
Formula:H(Ca,Mn,Fe2+)Fe3+3[(AsO4,PO4)]4 · 7H2O
Crystal System:Orthorhombic
Strunz Nr:7/C.18-30
References:NJMM (1984), 169; HB4 (2000)
Type Locality:White Elephant mine, Pringle, Custer Co., South Dakota, USA

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