Mineralogy Database

Ferrogedrite Mineral Data

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General Ferrogedrite Information

Help on Chemical  Formula: Chemical Formula: [ ]Fe++5Al2Si6Al2O22(OH)2
Help on Composition: Composition: Molecular Weight = 941.68 gm
   Aluminum  11.46 %  Al   21.66 % Al2O3
   Iron      29.65 %  Fe   38.15 % FeO
   Silicon   17.90 %  Si   38.28 % SiO2
   Hydrogen   0.21 %  H     1.91 % H2O
   Oxygen    40.78 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+5Al4Si6O22(OH)2
Help on IMA Status: IMA Status: Approved IMA 1978
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its composition and the original gederite location at Heas, Gedres, France.
Help on Name Pronunciation: Name Pronunciation: Ferrogedrite + Pronunciation Say FERROGEDRITE