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Bismite: Bi2O3 Waylandite: BiAl3(PO4)2(OH)6
Comments: Gray massive stream rounded waylandite with tan bismite crusts. Location: Mumba, Nord-Kivu, Zaire. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Bismite: Bi2O3
Comments: Tan, massive bismite with quartz. Location: Schneeberg, Sachsen, Germany. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species