| 622 ts (( CALCITE and COLEMANITE)), $15 MINIMUM BID, Boron Open Pit Mine, Kramer Borate Deposit, Boron, Kern County, California, 14 x 9.5 x 7 cm, Cabinet | |
 | Here is a combination specimen with large spherical yellow orange Calcite and spear shaped colorless crystals of Colemanite. The backside of the matrix has red orange coloration of Realgar, ex Jim Minette collection. |
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