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thortveitite

[tawrt-vahy-tahyt, thawrt-]
noun
  1. a scandium yttrium silicate mineral occurring in grayish-green orthorhombic crystals.
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Origin of thortveitite

1910–15; < German Thortveitit, named after Olaus Thortveit, 20th-century Norwegian mineralogist; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018