609tl ((ULEXITE pseudomorph after BORAX)), $10 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kerns County, California, 5 x 4.5 x 2 cm, Miniature | |
Here is a classic Boron pseudomorph. A cluster of crystals of Borax now pseudomorphed to opaque white Ulexite. ex Jim Minette collection. |