622 ts ((COLEMANITE)), $15 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 7 x 7 x 5.5 cm, Cabinet | |
Here is an undamaged specimen of the grey colored Colemanite. Very large crystals point straight up. Sits perfectly for display, , ex Jim Minette collection. |