21hhdw.is ((COLEMANITE)), $10 MINIMUM BID, US Borax Open Pit, Boron, Kern County, California, 7 x 4x 3.5 cm, Cabinet | |
Crystals of colorless terminated Colemanite with very minor yellow Calcite at one end. Note: Calcite will Fluoresce under SWUV. ex Dana Wilson MD collection #468. |