- 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
Examples from the Web for chromite
Historical Examples of chromite
Chromite moves from two principal sources; tungsten also from two.
All chrome is obtained from chromite, which contains 68 per cent.The A B C of Mining
Charles A. Bramble
Chromite is a common minor constituent of basic igneous rocks of the peridotite and pyroxenite type.
Katamorphic processes give the important values to chromite deposits.
Minute percentages of chromite, iron, manganese, and other substances are often responsible for the colors in these stones.
- 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