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Demesmaekerite: Pb2Cu5(UO2)2(SeO3)6(OH)6·2(H2O) Malachite: Cu2(CO3)(OH)2
Comments: Pale green crystals of demesmaekerite on dark green malachite. Location: Musonoi Mine, Katanga, Democratic Republic of the Congo. Scale: Crystal Size 3mm. © John Veevaert
Demesmaekerite: Pb2Cu5(UO2)2(SeO3)6(OH)6·2(H2O)
Comments: Tabular, light green and spear-shaped dark greenish brown demesmaekerite crystals. Location: Musonoi mine, Kolwezi, Shaba (Katanga), Congo (Zaïre). Scale: Picture size 3 mm. © Paul M. Schumacher