| 622 ts ((CALCITE on COLEMANITE)), $20 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 6.5 x 3 x 3 cm, Miniature | |
 | Here is a specimen with rounded hexagonal interlocking light tan to beige Calcite crystals with several large spear shaped Colemanite crystals protruding from the Calcite. Base is sawn flat but best display is upright. ex Milton L Speckels collection, ex Jim Minette collection whom purchased the Speckels Borate collection. |
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