11iddbirs ((Pseudo octahedral TINCALCONITE)), $10 MINIMUM BID, Dissolving Tanks in Borate Refinery Open Pit Mine, Boron, Kern County, California, 6 x 5 x 3 cm, Miniature | |
Here is a rare ocurrance and find. Tincalconite has crystallized in the Dissolving Tanks at the Refinery as pseudo octahedral crystals. Tincalconite usually is found in nature as a white soft pseudo after Borax. These were able to be collected by Jim Minette during the infrequent cleaning process of the Dissolving Tanks. ex Jim Minette collection. |