wolframite

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a mineral consisting of iron and manganese tungstate in crystalline form; the principal ore of tungsten; found in quartz veins associated with granitic rocks

Etymology

From German Wolframit, from Wolfram (“tungsten”). By surface analysis, wolfram + -ite.

In classic literature

Synonyms

iron manganese tungsten

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