11iddbis ((CALCITE over COLEMANITE)), FLUORESCENT, $15 MINIMUM BID, Boron Open Pit Mine, Boron, Kern County, California, 8.5 x 7 x 2.5 cm, Cabinet | |
Here is an undamaged Boron Colemanite completely covered with yellow crystals of Calcite that is fluorescent under SWUV. A few Colemanite crystals poke through the Calcite. ex Jim and Dawn Minette collection. |