9iddbiss ((ULEXITE on COLEMANITE)) $25 MINIMUM BID, Boron Open Pit Mine, Boron, Kern County, California, 12 x 10 x 5.5 cm, Cabinet, | |
Here is a fine Colemanite specimen with chisel shaped crystals. Fibrous white Ulexite looks like its been poured over the top. Nice borate species combination from Boron, ex Jim Minette collection, ex Milton Speckels collection with Speckels label. |