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Birchite: Cd2Cu2(PO4)2(SO4)·5H2O
Comments: SEM image showing bladed crystals of birchite on anglesite. The crystals are flattened on (100) and show the principal forms {100}, {010}, and {101}. (AmMin, v93:912). Location: Block 14 Opencut, Broken Hill, New South Wales, Australia. Scale: Scale Bar 50µm. © American Mineralogist