9iddbis ((CALCITE on COLEMANITE)), FLUORESCENT, $7 MINIMUM BID, Boron Open Pit Mine, Boron, Kern County, California, 8.5 x 7 x 3 cm, Cabinet, | |
Here is an undamaged specimen with yellow Calcite on spear like or chisel like colorless crystals of Colemanite. ex Jim Minette collection. |