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thorianite (countable and uncountable, plural thorianites)

  1. (mineralogy) A radioactive mineral containing thorium dioxide (ThO2) plus oxides of uranium, lanthanum, cerium neodymium and praseodymium in smaller quantities.

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Further reading edit

  • David Barthelmy (1997–2024) “Thorianite”, in Webmineral Mineralogy Database.
  • thorianite”, in Mindat.org[1], Hudson Institute of Mineralogy, 2000–2024.