21hhdw.is ((CALCITE on COLEMANITE)), Fluorescent, $50 MINIMUM BID, U S Borax Mine, Boron, Kern County, California, 12 x 11 x 9 cm, Large Cabinet | |
Large specimen of large colorless terminated Colemanite crystals with yellow rounded Calcite which are Fluorescent under UVSW. ex Dana Wilson MD collection #375. |