09iddbis ((CALCITE on COLEMANITE)) $10 MINIMUM BID, Boron Open Pit, Boron Kern County, California, 5 x 3 x 1.5 cm, Cabinet | |
Here is an aesthetic specimen with a bed of colorless spear shaped Colemanite crystals. On the Colemanite are large yellow spheres of Calcite. It is previously from the Milton Speckels collecion purchased by Minette. ex Jim Minette collection. The Calcite is normally very fluorescent under UVSW |