622 ts ((COLEMANITE)), $10 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 5 x 3.5 x 2.5 cm, Miniature | |
Here is a colorless Colemanite with spear shaped crystals. The specimen has a sculptural shape. Looks undamaged but may be a little minor micro chipping somewhere, ex Jim Minette collection. |