622 ts ((COLEMANITE)), $20 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 8.5 x 7 x 6 cm, Cabinet | |
Here is a colorless Colemanite with large spear shaped crystals. The specimen has an interesting sculptural shape. There is a little minor micro chipping but pretty much undamaged over all except the top most point has some missing crystals as see on the back view, ex Jim Minette collection. |