9iddb.ir ((COLEMANITE on ULEXITE)), $10 MINIMUM BID, Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 11 x 8 x 5 cm, Cabinet, | |
Terminated Colemanite crystals covered with acicular needle like crystals of Ulexite thicker than hairs but still small in diameter. ex Jim Minette collection. |