Mineralogy Database

Valleriite Mineral Data

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General Valleriite Information

Help on Chemical  Formula: Chemical Formula: 4(Fe,Cu)S•3(Mg,Al)(OH)2
Help on Composition: Composition: Molecular Weight = 475.92 gm
   Magnesium   8.68 %  Mg
   Aluminum    7.37 %  Al
   Iron       25.82 %  Fe
   Copper     24.03 %  Cu
   Hydrogen    0.42 %  H
   Sulfur     26.95 %  S
   Oxygen      6.72 %  O
             100.00 % 
Help on Empirical Formula: Empirical Formula: Fe2+2.2Cu1.8S4Mg1.7Al1.3(OH)2
Help on Environment: Environment: An alteration product of chalcopyrite in chromatites and dunites.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1870
Help on Locality: Locality: Aurora mine, Ljusnarsberg, and Kaveltorp, Kopparberg, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Goran Wallerius (Vallerius) (1683-1742), a Swedish mining geologist.
Help on Name Pronunciation: Name Pronunciation: Valleriite + Pronunciation Say VALLERIITE