chromite

chromite [kroh-mahyt] ExamplesWord Origin noun

Chemistry. a salt of chromium in the bivalent state.
Mineralogy. a cubic mineral, ferrous chromate, Fe3Cr2O3, usually with much of the ferrous iron and aluminum replaced by magnesium, and some of the chromium by ferric iron: the principal ore of chromium.

Origin of chromite 1830–40; chrom(ium) or chrom(ate) + -ite1 Examples from the Web for chromite Historical Examples of chromite

Chromite moves from two principal sources; tungsten also from two.

C. K. Leith

All chrome is obtained from chromite, which contains 68 per cent.

Charles A. Bramble

Chromite is a common minor constituent of basic igneous rocks of the peridotite and pyroxenite type.

C. K. Leith

Katamorphic processes give the important values to chromite deposits.

C. K. Leith

Minute percentages of chromite, iron, manganese, and other substances are often responsible for the colors in these stones.

C. K. Leith

British Dictionary definitions for chromite chromite noun

a brownish-black mineral consisting of a ferrous chromic oxide in cubic crystalline form, occurring principally in basic igneous rocks: the only commercial source of chromium and its compounds. Formula: FeCr 2 O 4
a salt of chromous acid