chromite
noun
- chromite (chemistry) refers to compounds formally containing the anion (CrO₂)⁻
Wiktionary
noun
- A dark brown mineral species with the formula FeCr₂O₄.
- Any member of the chromite-magnesiochromite series that is a mixed oxide of iron, magnesium and chromium with the formula (Fe,Mg)Cr₂O₄. It is a commercial source of chromium.