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thorianite

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noun tho·ri·a·nite \-ē-ə-ˌnīt\

Definition of thorianite

  1. :  a strongly radioactive mineral that is an oxide of thorium and often contains rare earth elements

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Origin and Etymology of thorianite

irregular from thoria

Learn More about thorianite

  1. Britannica.com: Encyclopedia article about thorianite

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