Mineralogy Database

Ferrorichterite Mineral Data

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General Ferrorichterite Information

Help on Chemical Formula: Chemical Formula: Na(CaNa)Fe++5[Si8O22](OH)2
Help on Composition: Composition: Molecular Weight = 975.98 gm
   Sodium     4.71 %  Na    6.35 % Na2O
   Calcium    4.11 %  Ca    5.75 % CaO
   Iron      28.61 %  Fe   36.81 % FeO
   Silicon   23.02 %  Si   49.25 % SiO2
   Hydrogen   0.21 %  H     1.85 % H2O
   Oxygen    39.34 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2CaFe2+5(Si8O22)(OH)2
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1946
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883).
Help on Name Pronunciation: Name Pronunciation: Ferrorichterite + Pronunciation Say FERRORICHTERITE