
Cuprosklodowskite
Specimen Origin: Musonoi Mine (Kolwezi, DR Congo)
The Musonoi Mine, situated near Kolwezi in the Lualaba Province of the Katanga Copperbelt, is a renowned open-cut mining complex worked for copper and cobalt since the mid-20th century and also notable for its uranium-bearing secondary minerals. It is one of the most productive localities in the region and has yielded a wide range of uranium species. Cuprosklodowskite from this mine is especially valued for its vivid emerald- to yellow-green acicular crystals, often forming radiating sprays or coatings on siliceous rock. These specimens are admired for both their aesthetic appeal and their mineralogical importance.
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Cuprosklodowskite
Cuprosklodowskite is a secondary uranium silicate mineral with the formula Cu(UO₂)₂(HSiO₄)₂·6H₂O. It forms fine acicular or fibrous crystals, typically bright green to yellowish green, often grouped in sprays or crusts. The mineral is strongly radioactive, belongs to the triclinic system, and shows silky luster with a greenish-yellow streak.