622 ts ((COLEMANITE with CALCITE)), $5 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 5 x 4.5 x 2.5 cm, Miniature | |
This specimen has white chisel shaped Colemanite crystals with a sphere of yellow orange Calcite. ex Jim Minette collection. |