tritomite

noun trit·o·mite \ˈtritəˌmīt\

Definition of tritomite

plural

-s

  1. :  a complex fluosilicate chiefly of calcium, thorium, cerium, yttrium, and containing boron

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Origin and Etymology of tritomite

German tritomit, from Greek tritomos thrice cut + German -it -ite; from the fact that the crystals leave trihedral cavities in the gangue


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