11iddbas ((CLAMSHELL ULEXITE)), $15 MINIMUM BID, Boron Open Pit Mine, Boron, Kerns County, California, 11 x 7.5 x 3.5 cm, Cabinet | |
Here is a large specimen of Clamshell Ulexite from Boron. These were difficult to collect requiring a team of two and I am told are no longer available to new collecting. ex Jim Minette collection (finest Borate collection in the world). |