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Fluorite, Rosiclare Level, Cross-cut Orebody, Minerva #1 Mine, Ozark-Mahoning Company, Cave-in-Rock District, Southern Illinois, Mined 1991, Kalaskie Collection #42-176, Miniature 4.0 x 4.5 x 5.0 cm, $45. Online 10/28.


  • $ 4500

Glassy luster, brown/yellow fluorite with chalcopyrite inclusions. There is a pronounced etched section formed from dissolution of barite. The resultant concave impression shows episodic layers of barite precipitation. Classic Minerva #1 specimen from advance mining 1991. In excellent condition. Betty Kalaskie Collection #42-176.