622 ts ((COLEMANITE)), $10 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 5.5 x 4 x 4 cm, Miniature | |
Here is a nearly undamaged stalactite like knob of Colemanite crystals. Viewable all around. Some minor chipping on upper center of one side. ex Jim Minette collection. |