622 ts ((COLEMANITE)), $10 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 5 x 5 x 3 cm, Miniature | |
Here is a undamaged specimen of grey Colemanite which sits up for display without a stand. The back and bottom contact areas also have reddish orange Realgar in the massive areas, no crystals. ex Jim Minette collection. |