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.
Wulfenite on Pyrolusite 390 gram
Wulfenite on Pyrolusite 390 gram
Wulfenite on rich Botrioidal Pyrolusite. Rich in colour and texture.