9iddb.ir ((COLEMANITE, CALCITE, ULEXITE)) $10 MINIMUM BID, Boron Open Pit Mine, Boron, Kern County, California, 4.5 x 4.5 x 5 cm, Miniature | |
Large upright Colemanite crystals with yellow stalactic Calcite and fibrous Ulexite. This yellow Calcite usually is fluorescent. It is but I did not put a UV light on it |