| 622 ts ((COLEMANITE with CALCITE)), $10 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 8.5 x 6 x 5.5 cm, Miniature | |
 | Here is a undamaged specimen of sharp crystals of colorless Colemanite colored light brown by Calcite. ex Milton L Speckels with label, ex Jim Minette collection. |
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