9iddbts ((ULEXITE on COLEMANITE)), FLUORESCENT, $35 MINIMUM BID, Ext. 23, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 6.5 x 5.5 x 3 cm, Miniature | |
Lustrous golden Colemanite crystals to 2 cm with associated white fibrous Ulexite over part of the surface of the specimen. Fluorescent yellowish white UVSW. It has a Jim and Dawn Minette label saying it was personally collected by Jim in 1985, looks like July 20. ex Jim and Dawn Minette collection. |