Gems: Taaffeite - Zircon

6.32 ct. Illinois Witherite

6.32 ct. Illinois Witherite

316.00
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  • Color:  White
  • Clarity:  Translucent
  • Origin:  Cave-In-Rock, Hardin Co., Illinois
  • Cut:  Oval
  • Treatments:  None
  • Measurements:  12 x 8.6 mm

An extremely uncommon U.S. gem material and one that we have only been able to offer once or twice.  Witherite is a barium mineral that doesn't often form with sufficient clarity to facet.  One locale that does produce gem rough are the well known mineral deposits around Cave-In-Rock, Illinois.  This fine example, is very well cut and translucent for the material, and is certainly a larger stone for the species as well.  An experienced hand has given it a very fine polish for a mineral with a hardness of 3 on the Moh's scale.  As is expected with this material, it has a chalky bluish-white fluorescence under UV light.  Quite uncommon, even within 'rare stone' circles.

$50 / carat - $316 total