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Calcite on Sphalerite, Rosiclare Level, Minerva No. 1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois, Mined c. 1992-1993, ex. Roy Smith Collection, Miniature, 3.0 x 5.0 x 6.5 cm, $125. Online Dec. 12.


  • $ 12500

Cluster of glassy calcite crystals to 1.2 cm on high luster brown sphalerite.  A classic specimen from the Minerva Mine from the great producing years under operation by Ozark-Mahoning Company.  A couple crystals are slightly tipped but overall in very excellent condition.