9iddmnr ((CALCITE on COLEMANITE)) $15 MINIMUM BID, Boron Open Pit, Boron, Kern County, California, 10 x 8 x 6 cm, Cabinet | |
Here is a fine specimen of a mound of spear shaped sharp Colemanite crystals covered with yellow orange spherical Calcite crystals. Calcite will fluoresce nicely. ex Jim Minette collection. |