Copper

specimen number:
8911177

location:
Rubtsovsk Mine, Rubtsovsky, Altai Krai, Russia

description:
A thick robust attractively crystallized grouping of native copper. This has an excellent read patina and is in great condition. The specimen comes with two previous collection labels, one from the Alton collection and the other from the collection of Richard Ertel.

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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