You are buying a 100 gram lot of Miners' Rough Rare Jet Black Opal Potch (No color or maybe you'll get lucky) randomly picked out of the lot pictured. Select quantity if you want to buy more!

Direct from the mines, some very large pieces present which can be used for many things!

Weight: totaling of 500 carats (100 grams), please see cm ruler for size approximations.