9iddbjmrs ((COLEMANITE, CALCITE)), Fluorescent, $35 MINIMUM BID, Boron Open Pit Mine, Kramer Borate deposit, Boron, Kerns County, California, 10.5 x 6.5 x 6 cm, Cabinet | |
Here is a specimen of chisel shaped terminated Colemanite crystals. On the Colemanite are small brown Calcite. This Calcite is usually fluorescent yellow. If the Colemanite also fluoresces a cream color. I do not have my light to check but I am sure it is fluorescent. It sits perfectly for display. ex Jim Minette collection. |