| 622 ts ((COLEMANITE)), $10 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 4 x 4 x 3 cm, Miniature, | |
 | Here are grey Colemanite crystals. Undamaged except for light chipping at the upper most termination. ex Jim Minette collection. |
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