9iddb.is ((COLEMANITE)), $10 MINIMUM BID, Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 12 x 10 x 4 cm, Cabinet | |
Matrix as seen from the back is made up of small double terminated Colemanite crystals. Front is covered with a druze of small Colemanite crystals with some stalactitic formations. Undamaged, ex Jim Minette collection. |