wolframite

[wool-fruh-mahyt, vawl-]

noun

1. a mineral, iron manganese tungstate, (Fe,Mn)WO 4 , occurring in heavy grayish-black to brownish-black tabular or bladed crystals: an important ore of tungsten.

wolframite

/ ˈwʊlfrəˌmaɪt /

noun

1. a black to reddish-brown mineral consisting of tungstates of iron and manganese in monoclinic crystalline form: it occurs mainly in quartz veins and is the chief ore of tungsten. Formula: (Fe,Mn)WO 4

Word History and Origins

Origin of wolframite¹

First recorded in 1865–70; wolfram + -ite ¹

Example Sentences

The Democratic Republic of the Congo has abundant reserves of diamonds, gold, coltan, copper, tantalite, wolframite, manganese and uranium.

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The mine can produce more than 16 tons of wolframite, a rock containing tungsten, in a week, police say.

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Add on conflict minerals such as cassiterite, gold, wolframite, cobalt and coltan from the Congo, plus the damage from huge pits and deep tunnels.

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Conflict minerals include coltan, cassiterite, gold and wolframite, and while you may not be familiar with some of these, they are widely used in electronics.

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The minerals are gold, cassiterite, wolframite and columbite-tantalite, also called coltan.

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