Superb Cuprite crystal with sharp octahedral shape and bedazzling luster from the famous Poteryaevskoe Mine, Rubtsovskoe deposit, Russia. It has perfect geometry, metallic faces and strong mirror luster. Complete all over floater. For references see the issue of The Mineralogical Record vol. 45, # 4, July-August 2014. Better in person. In excellent condition.
Choice Cuprite from this closed mine!