• Fluorite
  • Fluorite
  • Fluorite
  • Fluorite


ID: CC20431
This beautiful Fluorite shouts “Cave-in-Rock” and is from the Ozark-Mahoning mine; this famous Fluorite area is in Hardin County, Illinois, USA.  The Fluorite forms broad cubic crystals, but with occasional, step changes in direction of 90 degrees in one plane, causing the faces to become more complex than the characteristic square.  This growth pattern is typical of Cave-in-Rock specimens.  The cubes are transparent and of a rich, deep golden-syrup with deep purple edges.  The crystals are included with bright metallic, golden-brassy Chalcopyrite crystals to up to 1 mm.  The Fluorite in none-fluorescent.   A superb Cave-in-Rock Fluorite from the Ozark-Mahoning mine.

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10.8 × 8.6 × 4.7 cm
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Ozark-Mahoning Group, Cave-in-Rock, Hardin Co., Illinois, USA, North America

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Minerals on specimen

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