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ATHENA

MINERALOGY

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Mineral:GENGENBACHITE
Formula:KFe3+3[(H2PO4)2|(HPO4)4] · 6H2O
Crystal System:Hexagonal
Strunz Nr:7/C.21-05
References:Der Erzgräber, 18/1 (2004), 17; AM 90 (2005), 1228
Type Locality:Silberbrünnle Mine, Haigerach valley, Gengenbach, Black Forest, Baden-Württemberg, Germany

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