Mineralogy Database

Ferritaramite Mineral Data

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General Ferritaramite Information

Help on Chemical  Formula: Chemical Formula: Na(CaNa)(Fe++,Mg)3Fe+++2[Si6Al2O22](OH)2
Help on Composition: Composition: Molecular Weight = 942.23 gm
   Sodium      4.88 %  Na    6.58 % Na2O
   Calcium     4.25 %  Ca    5.95 % CaO
   Magnesium   2.58 %  Mg    4.28 % MgO
   Aluminum    5.73 %  Al   10.82 % Al2O3
   Iron       23.71 %  Fe   15.25 % FeO / 16.95 % Fe2O3
   Silicon    17.88 %  Si   38.26 % SiO2
   Hydrogen    0.21 %  H     1.91 % H2O
   Oxygen     40.75 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2CaMgFe2+2Fe3+2(Si6Al2O22)(OH)2
Help on Environment: Environment: Nepheline-bearing igneous rocks.
Help on IMA Status: IMA Status: Approved IMA 1978
Help on Locality: Locality: Wali-tarama, Mariupol, Ukraine. 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: Ferritaramite Say FERRITARAMITE