Mineralogy Database

Clinoungemachite Mineral Data

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General Clinoungemachite Information

Help on Chemical Formula: Chemical Formula: K3Na9Fe+++(SO4)6(OH)3•9(H2O) ?
Help on Composition: Composition: Molecular Weight = 1,169.59 gm
   Potassium  10.03 %  K    12.08 % K2O
   Sodium     17.69 %  Na   23.85 % Na2O
   Iron        4.77 %  Fe    6.83 % Fe2O3
   Hydrogen    1.81 %  H    16.17 % H2O
   Sulfur     16.45 %  S    41.07 % SO3
   Oxygen     49.25 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K3Na9Fe3+(SO4)6(OH)3•9(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1938
Help on Locality: Locality: Chuquicamata, Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named its crystal form and for Henri-Leon Ungemach (1879-1936), French mineralogist and crystallographer. Secretary of the French Society of Mineralogy from 1919 to 1934.