9iddbnr ((COLEMANITE)), $15 MINIMUM BID, Boron Open Pit Mine, Boron, Kern County, California, 5 x 4.5 x 2.5 cm, Miniature | |
Here is fine specimen of Colemanite from the Minette Borate collection. Aesthetic sculptural grouping of undamaged sharp Colemanite crystals. |