Tags: Chemical Substance, Mineral.
Nichromite (NiCoFe)(CrFeAl)2O4 is a black cubic metallic mineral and member of the spinel group. Nichromite was originally reported from the Bon Accord nickel deposit in Barberton District South Africa. Occurring naturally in a nickel deposit nichromite is named for chromite with dominant nickel.The atomic arrangement of the spinel group is a commonly studied structure and characteristically has four closely packed oxygen atoms.