Description

Demesmaekerite in black, transparent microcrystals, accompanied by yellow Marthozite in a gangue rich in secondary copper.

Demesmaekerite is a lead-copper-uranium selenite.

Radioactive mineral.

From the Musonoi (Mupine) copper mine in Kolwezi, Katanga, Democratic Republic of Congo.

This uranium, copper and cobalt (and other metals) mine is one of the most productive in the Congo. A wide variety of copper- and cobalt-related minerals are present.

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