Chromite (compound)
From Wikipedia, the free encyclopedia
From Wikipedia, the free encyclopedia
In chemistry the term chromite has been used in two contexts. Under IUPAC naming conventions, chromate(III) is preferred to chromite.[citation needed]
The mineral chromite is an iron chromium oxide with empirical formula FeCr2O4. Structurally, it belongs to the spinel group. Magnesium can substitute for iron in variable amounts as it forms a solid solution with magnesiochromite (MgCr2O4);.[1] Zincochromite is another example. The crystal structure of the acid, HCrO2 has been determined by neutron diffraction.[2]
Chromites may be formed by reaction of chromium(III) oxide with a metal oxide:[3]
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