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- Iron chromium oxide, Fe,Cr2O4, the main ore
- of chromium. It is one of the spinel group of
- minerals, and crystallizes in dark coloured
- octahedra of the cubic system. Chromite is
- usually found in association with ultrabasic
- and basic rocks; for example in Cyprus it
- occurs with serpentine, and in South Africa
- it forms continuous layers in a layered
- intrusion.
-