622 ts ((COLEMANITE)), $10 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 6.5 x 4 x 3 cm, Miniature | |
Here is a sharp undamaged specimen of colorless Colemanite. ex Milton L Speckels with label, ex Jim Minette collection. |