Cuprite

specimen number:
2062575

location:
Rubtsovsk Mine, Rubtsovsky, Altai Krai, Russia

description:
A superb deep red lustrous and sharply formed crystal of cuprite, this with several smaller crystals attached. Complete all around, this is in excellent condition. The specimen comes with a previous label from the collection of Ray DeMark. He acquired the piece in 2011.

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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