21hhdw.ar ((CALCITE on COLEMANITE)), $70 MINIMUM BID, U S Borax Mine, Boron, Kern County, California, 13 x 12 x 10 cm, Large Cabinet, | |
Here is a large of sharply terminated colorless Colemanite crystals and large yellow orange Calcite crystals. These Calcite crystals are fluorescent. Not sure on the Colemanite being fluorescent. ex Dana Wilson MD collection #375 with label. |