622 ts ((COLEMANITE)), $10 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 3.5 x 3 x 2 cm, Miniature | |
Here is a different specimen of Colemanite. The crystal tips are brown. Some damage upper left as seen in the photos, ex Jim Minette collection. |