622 ts ((CALCITE on COLEMANITE)), $20 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 8.5 x 4.5 x 4 cm, Cabinet, | |
Here is a great undamaged combination specimen with light yellow mounds of Calcite on a bed of small chisel shaped colorless Colemanite crystals. ex Jim and Dawn Minette collection. ex Milton L Speckels collection with label. |