11iddbis ((CALCITE on CALCITE)), $10 MINIMUM BID, Boron Open Pit Mine, Boron, Kern County, California, 5 x 4 x 2.5 cm, Miniature, | |
Here is a miniature specimen with a coating of light cream colored Calcite over a brown Calcite from the Speckels collection. Minette bought the the Speckels collection. There are several small black specks. Based on other Minette specimens these may be Plattnerite or Arsenic or something else. There is also some remnants of Colemanite crystals that are missing. ex Milton Speckels collection with label, ex Jim and Dawn Minette collection. |