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Phosphofibrite: KCuFe+++15(PO4)12(OH)12·12(H2O) Crandallite: CaAl3(PO4)2(OH)5·(H2O)
Comments: Olive-green colored fibrous phosphofibrite aggregates with white crandallite. Location: Silver Coin Mine, Humboldt County, Nevada, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species