Mineralogy Database

Chromite Mineral Data

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General Chromite Information

Help on Chemical  Formula: Chemical Formula: Fe++Cr2O4
Help on Composition: Composition: Molecular Weight = 223.84 gm
   Chromium  46.46 %  Cr   67.90 % Cr2O3
   Iron      24.95 %  Fe   32.10 % FeO
   Oxygen    28.59 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+Cr2O4
Help on Environment: Environment: Cummulate mineral found in ultramafic portions of layered mafic intrusions. Common in meteorites.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1845
Help on Locality: Locality: Bastide de la Carrade, Gassin, Var, France. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its chemical composition.
Help on Synonym: Synonym: Chrome iron ore
  Chromic iron
  Ferrichromite - magnetic, altered
  ICSD 20819
  PDF 34-140