9iddbis ((CALCITE on COLEMANITE)), $10 MINIMUM BID, Boron Open Pit, Kramer Borate Deposit, Boron, Kerns County, California, 6 x 3.5 x 3 cm, Miniature | |
Here is a miniature Colemanite. It has brown botryoidal Calcite covering the large Colemanite crystals. The large crystal has a large chip on one side. It is probably a contact from another touching, intergrown crystal. ex Jim Minette |