11iddbns ((KURNAKOVITE)), $10 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kerns County, California, 5 x 3 x 1.5 cm, Miniature | |
Here is a plate of the uncommon Borate species, Kurnakovite. There are colorless crystals of Kurnakovite with minor associated white opaque Ulexite. ex Jim Minette collection, ex Milton Speckels collection. |