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chromite

[ kroh-mahyt ]

noun

  1. Chemistry. a salt of chromium in the bivalent state.
  2. Mineralogy. a cubic mineral, ferrous chromate, Fe 3 Cr 2 O 3 , 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.


chromite

/ ˈkrəʊmaɪt /

noun

  1. 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
  2. a salt of chromous acid


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Word History and Origins

Origin of chromite1

1830–40; chrom(ium) or chrom(ate) + -ite 1
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Example Sentences

Chromite, of which no occurrence of economic importance has yet been discovered in the County or elsewhere in Virginia.

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

Zaratite, zar′a-tīt, n. a hydrous carbonate of nickel, found usually as an incrustation on chromite.

Masses of chromium ore (chromite) were carried upward with the molten material.

Often these rocks enclose large segregated masses of granular chromite.

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