CUPRITE CRYSTAL CLUSTERS FROM RUBISOUSKY MINE, ALTAVSKIY KRAY, SIBERIA, RUSSIA. THESE CLUSTERS ARE SOLID CUPRITE (Cu2O), ARE OCTRAHEDRAL IN SHAPE, AND STEEL GRAY COLOR WITH RUBY HIGHLITES. SOME HAVE MINOR POINT DAMAGE DUE TO THE MINERS PACKING THEM OUT, BUT ALL HAVE MANY BEAUTIFUL TERMINATIONS. A GREAT ADDITION FOR YOUR COLLECTION!