Valentinite 31.5 gram
Valentinite 31.5 gram
Valentinite. Rare natural aggregate acircular mineral specimen from Xikuangshan Sb Deposit.
Opal Boulder 95 gram
Opal Boulder 95 gram
Opal Boulder 95 gram. A very rich and colourful piece of Australian Boulder Opal.
Dioptase on Calcite 370 gram
Dioptase on Calcite 370 gram
Large and pristine Dioptase crystals on Calcite 370 gram