| 8hlkmr ((COLEMANITE)), $10 MINIMUM BID, Sigma Mine, Inyo County, California, hwd 6 x 9 x 3.5 cm, Cabinet, | |
 | Here is a borate mineral from an old collection from the borate deposits in California. These also I believe fluoresce under UV. Colemanite has spear like white crystals. Back side is sawn. |
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