11iddbiss ((ULEXITE on COLEMANITE)), $20 MINIMUM BID, Boron Open Pit Mine, Boron, Kerns County, California, 9 x 7 x 4 cm, Cabinet, | |
I have not got the the two flats of these Ulexite specimens. I just took one out for the auction to fill out the page. This one have a mound of white Ulexite. The rounded darker area of Ulexite are covered with micro needle like crystals of Ulexite. This is on a matrix of brown chisel like crystals of Colemanite. . ex Jim and Dawn Minette collection. |