Mineralogy Database

Meta-alunogen Mineral Data

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General Meta-alunogen Information

Help on Chemical  Formula: Chemical Formula: Al4(SO4)6•27(H2O)
Help on Composition: Composition: Molecular Weight = 1,170.72 gm
   Aluminum   9.22 %  Al   17.42 % Al2O3
   Hydrogen   4.65 %  H    41.55 % H2O
   Sulfur    16.43 %  S    41.03 % SO3
   Oxygen    69.70 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Al4(SO4)6•27(H2O)
Help on Environment: Environment: Formed by dehydration of alunogen.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1942
Help on Locality: Locality: Alum mines 3.5 km south of Francisco de Vergara, Antofagasta, Chile Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for meta, indicating a lower hydrate, and alunogen.