Mineralogy Database

Carnallite Mineral Data

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General Carnallite Information

Help on Chemical  Formula: Chemical Formula: KMgCl3•6(H2O)
Help on Composition: Composition: Molecular Weight = 277.85 gm
   Potassium  14.07 %  K    16.95 % K2O
   Magnesium   8.75 %  Mg   14.51 % MgO
   Hydrogen    4.35 %  H    38.90 % H2O
   Chlorine   38.28 %  Cl   38.28 % Cl
                -   %   Cl   -8.64 % -O=Cl2   
   Oxygen     34.55 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: KMgCl3•6(H2O)
Help on Environment: Environment: Marine evaporites.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1856
Help on Locality: Locality: Stassfurt, Province of Saxony, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the German mining engineer, R. von Carnall (1804-1874).
Help on Synonym: Synonym: Almeraite - mixture of carnallite and halite.
  ICSD 64691
  PDF 24-869