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Sphaerocobaltite: CoCO3 Vladimirite: Ca5(AsO3OH)2(AsO4)2·5(H2O)
Comments: Translucent white prismatic vladimirite microcrystals with pink sphaerocobaltite. Location: Irhtem Mine, near Bou Azzer, Ouarzazate, Morocco. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Sphaerocobaltite: CoCO3
Comments: Calcite with numerous crystals of red sphaerocobaltite to 3 mm across. Location: Kamoto Mine, Mashamba, Katanga, Dem. Rep. of the Congo. Scale: Picture size 1.5 cm. © John Veevaert