Thorite v."Thorogummite" - Cheyenne Mountain, Colorado, USA
Thorite v."Thorogummite" - Cheyenne Mountain, Colorado, USA
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$80.00 USD
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$80.00 USD
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(Th,U)(SiO4)1-x(OH)4x
A nice sample of dark-red Thorite v. "Thorogummite" from Cheyenne Mountain, Colorado, USA. According to Mindat:
Discredited as a valid species in 2014 (IMA14-B). This name has been used to describe heterogeneous mixtures of secondary, non-crystalline minerals, produced by the alteration, hydration, or metamictization of thorite.
Approx. size: 35mm x 25mm x 18mm
Approx. activity on an SE International Ranger EXP: 6300 cpm