A superb specimen of cuprite crystals with a razor sharp octahedral shape and bedazzling luster from the famous Poteryaevskoe Mine, Rubtsovskoe deposit, Russia. It displays crystals growing in a cluster. They have a perfect geometry, metallic faces and a strong mirror luster. For references see the issue of The Mineralogical Record vol. 45, # 4, July-August 2014. In excellent condition.

Fine cuprite from this closed mine!