Mineralogy Database

Efremovite Mineral Data

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General Efremovite Information

Help on Chemical Formula: Chemical Formula: (NH4)2Mg2(SO4)3
Help on Composition: Composition: Molecular Weight = 372.88 gm
   Magnesium  13.04 %  Mg   21.62 % MgO
   Hydrogen    2.16 %  H      -   % Calc as (NH4)2O
   Sulfur     25.80 %  S    64.42 % SO3
   Nitrogen    7.51 %  N    13.97 % (NH4)2O
   Oxygen     51.49 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: (NH4)2Mg2(SO4)3
Help on Environment: Environment: Secondary mineral associated with organic material and oxidizable sulfides.
Help on IMA Status: IMA Status: Approved IMA 1989
Help on Locality: Locality: Chelyabinsk coal Basin, Ural Mts, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Ivan Antonovich Yefremov (1907-1972), Russian geologist.
Help on Name Pronunciation: Name Pronunciation: Efremovite + Pronunciation Say EFREMOVITE