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A widely distributed black to brownish-black chromium ore, FeCr2O4.
1. (Minerals) 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: FeCr2O4
2. (Elements & Compounds) a salt of chromous acid
1. a salt of chromium in the bivalent state.
2. a black mineral, ferrous chromate, FeCr2O4, the only ore of chromium.
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|Noun||1.||chromite - a brownish-black mineral; the major source of chromium|
atomic number 24, chromium, Cr - a hard brittle multivalent metallic element; resistant to corrosion and tarnishing
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition