thortveitite

Noun
  1. A mineral consisting of scandium yttrium silicate;
    A source of scandium (synset 115095117)
    is a type of: mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
    substance holonym: atomic number 21, sc, scandium - a white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveitite

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