| 622 ts ((COLEMANITE on CALCITE)), $20 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 6 x 6 x 4 cm, Miniature | |
 | Here is an attractive combination with yellow botryoidal Calcite and colorless water clear Colemanite crystals covering front and back. Great shape but a little chipping at the peak, ex Jim Minette collection |
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