Cuprite

specimen number:
8911223

location:
Rubtsovsk Mine, Rubtsovsky, Altai Krai, Russia

description:
An excellent loose lustrous deep red sharp octahedral crystal of cuprite. In super condition, an excellent thumbnail for the species. The specimen comes with a previous label from the Alton collection.

The Rubtsovsk Mine, located in the Altai Krai region of southwestern Siberia, Russia, is part of the metal-rich Rudny Altai polymetallic belt. Geologically, the deposit sits within complex Paleozoic volcanic and sedimentary sequences where hydrothermal activity and extensive supergene oxidation created rich zones of secondary mineralization. Mineralogically, it is particularly famous for its exceptional, razor-sharp octahedral crystals of cuprite, often accompanied by native silver, native copper, and rare halide species like miersite.

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