Mineralogy Database

Donathite Mineral Data

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General Donathite Information

Help on Chemical  Formula: Chemical Formula: (Fe++,Mg)(Cr,Fe+++)2O4
Help on Composition: Composition: Molecular Weight = 222.61 gm
   Magnesium   1.09 %  Mg    1.81 % MgO
   Chromium   35.04 %  Cr   51.21 % Cr2O3
   Iron       35.12 %  Fe   29.05 % FeO / 17.93 % Fe2O3
   Oxygen     28.75 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+0.9Mg0.1Cr1.5Fe3+0.5O4
Help on Environment: Environment: Discredited as a mixture of two spinels, one cubic and one tetragonal.
Help on IMA Status: IMA Status: Discredited IMA 1998 - Published 1969
Help on Locality: Locality: Hestmand´┐Ż Island, Norway. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for M. Donath, who described the material in I930.
Help on Synonym: Synonym: Discredited