9iddbrs ((REALGAR on COLEMANITE)), $15 MINIMUM BID, Boron Open Pit, Kern County, California, 9 x 4 x 3 cm, Cabinet, | |
Here is a specimen with brown lustrous crystals of Colemanite from Boron. There is also red orange micro crystalline Realgar on the right side. ex Jim Minette collection. |