11iddbir ((SPHENE)), $10 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 4.5 x 3.5 x 3 cm, Miniature | |
Tiny Sphene crystals in overburden Granite float. Odd and rare specimen saved from Boron. ex Jim Minette collection with label, ex Verle Carnahan. |