9iddbtr ((COLEMANITE)), $30 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kerns County, California, 10.5 x 7.5 x 6.5 cm, Cabinet | |
Lustrous spear shaped terminated single crystals and groups of crystals of Colemanite. There is probably some minor chipping but overall looks undamaged in great shape. Crystals 3 to 4.5 cm in length. ex Jim Minette collection. |