603 ts ((ULEXITE with COLEMANITE)), $15 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 9 x 3 x 1 cm, Cabinet | |
Here is specimen of white fibrous Ulexite with a 2.5 cm crystal of Colemanite on the side of the Ulexite. ex Jim Minette collection. |