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{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

n. - A mineral used as an ore of tungsten.

Usage examples (12)
  • Sphalerite, cassiterite (tin ore) and scheelite are only a few examples of this type of brittle mineral ore (see Table).
  • Tungsten is retrieved from the ore minerals scheelite (CaWO4, calcium tungstate) and wolframite ((Fe, Mn) WO4, iron-manganese tungstate).
  • (As an aside, the mineral scheelite (Ca (WO4, MoO4), calcium tungstate-molybdate) was named after Scheele in honor of his discovery of molybdenum.)
  • Another mining sector which employs optical evaluation is scheelite mining, where the mine face is irradiated with an ultra-violet lamp which induces fluorescence of the... for more
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