9iddb.ir ((COLEMANITE with CALCITE)), Fluorescent, $5 MINIMUM BID, Boron Open Pit Mine, Boron, Kern County, California, 4.5 x 4 x 2 cm, Miniature | |
Sharp lustrous Colemanite crystal with minor yellow Calcite. The yellow Calcite is usually Fluorescent. ex Jim Minette collection. |