9iddbns ((ULEXITE on COLEMANITE)), $15 MINIMUM BID, Open Pit Mine, Boron, Kern County, California, 5.5 x 4 x 3.5 cm, Miniature | |
Attractive combination specimen of mounds of white soft Ulexite and contrasting terminated lustrous crystals of Colemanite mounted in a 2.5 inch plastic miniature box from the world class Borate collection of Jim Minette |