622 ts ((COLEMANITE on ULEXITE)), $15 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 8 x 6 x 5 cm, Cabinet, | |
Here is an unusual specimen with a base of long fibrous Ulexite aka TV Rock with the natural fiber optics. On the Ulexite base is a spray or more like a fan of large golden Colemanite crystals. The top of the back and front of the fan of Colemanite has some cleaved crystal sides. ex Jim Minette collection. |