Mineralogy Database

Ferri-magnesiotaramite Mineral Data

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General Ferri-magnesiotaramite Information

Help on Chemical  Formula: Chemical Formula: NaCaNaMg3Fe+++2[Si6Al2O22](OH)2
Help on Composition: Composition: Molecular Weight = 879.14 gm
   Sodium      5.23 %  Na    7.05 % Na2O
   Calcium     4.56 %  Ca    6.38 % CaO
   Magnesium   8.29 %  Mg   13.75 % MgO
   Aluminum    6.14 %  Al   11.60 % Al2O3
   Iron       12.70 %  Fe   18.16 % Fe2O3
   Silicon    19.17 %  Si   41.01 % SiO2
   Hydrogen    0.23 %  H     2.05 % H2O
   Oxygen     43.68 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaCaNaMg3Fe3+2Si6Al2O22(OH)2
Help on IMA Status: IMA Status: Proposed IMA 1987 (Dana # Added)
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 Synonym: Synonym: Magnesioferritaramite