622 ts ((COLEMANITE)), $10 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 5 x 4 x 1.5 cm, Miniature | |
Here is a undamaged specimen of small sharp light brown Colemanite. ex Milton L Speckels with label, ex Jim Minette collection. |