How to use Thorianite in a sentence

thorianite
  • Much the best practical source of helium is thorianite, a mineral imported from Ceylon for the manufacture of thoria.

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  • If thorianite cannot be obtained, monazite, which is more abundant, may be utilized.

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  • Thorianite, however, contains no silica, and until it is shown that metallic oxides behave in the same way this explanation must be accepted with reserve.

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