Description

Guilleminite in yellow microcrystals in a gangue a priori composed of secondary copper. In association with cuprosklodowskite.
Guilleminite is a selenite of barium and uranium.
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 Congo. A wide variety of copper- and cobalt-related minerals are present.

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