622 ts ((COLEMANTITE with CALCITE)), $15 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 5 x 3 x 2.5 cm, Miniature, | |
Here is a specimen with mounds of golden Calcite with needles of sparkling terminated colorless Colemanite protruding everywhere like a porcupine or hedgehog. Undamged with its many terminated needles. ex Milton L Speckels collection, ex Jim Minette collection whom purchased the Speckels Borate collection |