Definition of niobite

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  • niobite is a valid Scrabble US word with a point value of 9
  • niobite is a valid Scrabble UK word with a point value of 9
  • niobite is not a valid Words with friends word!

Definition of niobite

  • a black mineral that is an ore of niobium and tantalum (noun)

    Synonyms

    1. columbite

See definition of niobite in Merriam Webster