21hhdw.is ((CALCITE, COLEMANITE)), fluorescent, $10 MINIMUM BID, U.S. Borax Open Pit, Boron, Kern County, California, 4.5 x 4 x 4 cm, Miniature | |
Yellow orange Calcite that is fluorescent bright light yellow under UVSW with sharp pointed white to colorless Colemanite spear shaped crystals. ex Dana Wilson MD collection 281. |