9iddbnr ((COLEMANITE on CALCITE)), FLUORESCENT. $30 MINIMUM BID, Boron Open Pit Mine, Boron, California, 8 x 7.5 x 4.5 cm, Cabinet, | |
Here is large specimen of Colemanite on Calcite from the Jim Minette collection. It also is a fine Fluorescent specimen with both the Calcite and the Colemanite being Fluorescent. Calicite is not as brightly Fluorescent. Colemanite is fine crystals sprays of Colemanite. ex Jim Minette collection. |