9iddbir ((CALCITE on COLEMANITE)), $10 MINIMUM BID, Open Pit Mine, Boron, Kern County, California, 7 x 5.5 x 5 cm, Cabinet | |
Terminated crystal cluster of Colemanite with small brown Calcite crystals covering the Colemanite from the world class Borate collection of Jim Minette and previous Milton L. Speckles collection. Jim purchased the Milton L. Speckles collection, another famous Borate collection. |