Mineralogy Database

Rokuhnite Mineral Data

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General Rokuhnite Information

Help on Chemical  Formula: Chemical Formula: Fe++Cl2•(H2O)
Help on Composition: Composition: Molecular Weight = 144.77 gm
   Iron      38.58 %  Fe   49.63 % FeO
   Hydrogen   1.39 %  H    12.44 % H2O
   Chlorine  48.98 %  Cl   48.98 % Cl
               -   %  Cl  -11.05 % -O=Cl2   
   Oxygen    11.05 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+Cl2•(H2O)
Help on Environment: Environment: Secondary mineral in fissures in earlier potassium-rich salt beds.
Help on IMA Status: IMA Status: Approved IMA 1980
Help on Locality: Locality: Salzdetfurth potash mine, Hamelyn, Lower Saxony, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Robert K�uhn (1911- ), German mineralogist, Kaliforschungs-Institut der Kali und Salz AG, Hannover, Germany.
Help on Name Pronunciation: Name Pronunciation: Rokuhnite + Pronunciation Say ROKUHNITE
Help on Synonym: Synonym: Rokuehnite