9iddb.nr ((TUNELLITE on ULEXITE base)), $5 MINIMUM BID, Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 4 x 3 x 3 cm, Miniature | |
Tunellite crystal from Boron on a base of opaque Ulexite. Tunellite is cleaved on the flat side. ex Jim Minette collection. |