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

Before the war nearly half of the world's supply of tungsten ore (wolframite) came from Burma.

From Project Gutenberg