9iddbis ((COLEMANITE on CALCITE)), $10 MINIMUM BID, Boron Open Pit, Boron, Kern County, California, 11 x 7.5 x 4 cm, Cabinet | |
Here is a specimen with orange rounded, almost botryoidal Calcite crystals covered by sharp spear like crystals of Colrmanite. Some Colemanite crystals are broken on the white side, but overall all in good shape. ex Jim Minette collection. |