9iddbis ((COLEMANITE)), $15 MINIMUM BID, Boron Open Pit, Boron, Kern County, California, 16.5 x 10.5 x 7 cm, Cabinet | |
Here is a large specimen with a little damage to the ends of the three tips. Colemanite crystals are a different form and not the sharp spears like some of the others. ex Jim Minette collection. |