| 622 ts ((COLEMANITE)), $15 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 8 x 6 x 4 cm, Cabinet, | |
 | Here is a yellow Colemanite with spear shaped crystals. I do not know what is giving its color. Looks undamaged but may be a little minor micro chipping somewhere. Back is sawn and shaped, ex Jim Minette collection. |
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