| 622 ts ((CALCITE on COLEMANITE)), $10 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 8 x 4 x 3 cm, Cabinet, | |
 | Here is classic ridge of Colemanite crystals coated with brownish Calcite. Undamaged except the backside of the peak may have a bruise with some missing crystals. ex Jim Minette collection. |
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