622 ts ((BROWN COLEMANITE)), $10 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 8 x 5.5 x 4.5 cm, Cabinet, | |
Here is a cabinet sized specimen with mounds of brown chisel shaped crystals of Colemanite. ex Jim and Dawn Minette collection. |