Mineralogy Database

Cronstedtite Mineral Data

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General Cronstedtite Information

Help on Chemical  Formula: Chemical Formula: Fe++2Fe+++(SiFe+++)O5(OH)4
Help on Composition: Composition: Molecular Weight = 399.50 gm
   Iron      55.92 %  Fe   35.97 % FeO / 39.97 % Fe2O3
   Silicon    7.03 %  Si   15.04 % SiO2
   Hydrogen   1.01 %  H     9.02 % H2O
   Oxygen    36.04 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+2Fe3+2SiO5(OH)4
Help on Environment: Environment: A low-temperature hydrothermal product in ore veins.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1821
Help on Locality: Locality: Pribram and Kuttenberg, Bohemia of Czechoslovakia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Axel Fredrik Cronstedt (1722-1765), Swedish mineralogist and chemist.
Help on Name Pronunciation: Name Pronunciation: Cronstedtite + Pronunciation Say CRONSTEDTITE