Mineralogy Database

Koenenite Mineral Data

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General Koenenite Information

Help on Chemical  Formula: Chemical Formula: Na4Mg4Cl12•Mg5Al4(OH)22
Help on Composition: Composition: Molecular Weight = 1,218.22 gm
   Sodium      7.55 %  Na   10.18 % Na2O
   Magnesium  17.96 %  Mg   29.78 % MgO
   Aluminum    8.86 %  Al   16.74 % Al2O3
   Hydrogen    1.82 %  H    16.27 % H2O
   Chlorine   34.92 %  Cl   34.92 % Cl
                -   %   Cl   -7.88 % -O=Cl2   
   Oxygen     28.89 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na4Mg9Cl12Al4(OH)22
Help on Environment: Environment: Potash mine.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1902
Help on Locality: Locality: Justus I near Volpriehausen, and elsewhere in Hannover, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Adolf von Koenen (1837-1915), German geologist of Gottingen, who first found the mineral.
Help on Name Pronunciation: Name Pronunciation: Koenenite + Pronunciation Say KOENENITE
Help on Synonym: Synonym: ICSD 22305/6
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