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Fluorite Octahedron with Chalcopyrite, Rosiclare Level attr., Denton Mine, Ozark-Mahoning Company, Harris Creek District, Southern Illinois, Ron Roberts Collection, Miniature, approx. 3.5 cm on edge, 5+ cm point to point, $160. Online September 15.


  • $ 8000
  • Save $ 80

Zoned purple and yellow octahedron with copious inclusions of elongated chalcopyrite "nails" in locally gemmy interior.  Beautiful diamond.  Polishing grade. Weight 93.7g.