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ATHENA

MINERALOGY

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Mineral: GENGENBACHITE
Formula: KFe3(H2PO4)2(HPO4)4(H2O)6
Crystal System: Hexagonal
IMA Number: 2001-003b
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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