9iddbes ((PSEUDO OCTAHEDRAL TINCALCONITE)), $10 MINIMUM BID, Dissolving Tanks in Borate Refinery, Open Pit Mine, Kramer Borate Deposit, Boron, Kerns County, California, 4 x 4 x 3 cm, Miniature | |
Rare specimen Tincalconite primary crystals found and collected by Jim Minette when dissolving tanks at the Borate Refinery in Boron. ex Jim Minette collection. |