11iddbnss ((COLEMANITE with REALGAR inclusions)), $20 MINIMUM BID, Boron Open Pit Mine, Boron, Kerns County, California, 8 x 7 x 4 cm, Cabinet | |
Here is a fine vug of sprays or flowers of Colemanite crystals. I believe these lighter brown Colemanites get their color from Realgar inclusions. ex Jim Minette collection (finest Borate collection in the world). |