Mineralogy Database

Ferri-clinoholmquistite Mineral Data

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General Ferri-clinoholmquistite Information

Help on Chemical Formula: Chemical Formula: [ ]Li2Mg3(Fe3+)2(Si8O22)(OH)2
Help on Composition: Composition: Molecular Weight = 849.26 gm
   Potassium   0.14 %  K     0.17 % K2O
   Sodium      1.98 %  Na    2.66 % Na2O
   Lithium     1.76 %  Li    3.78 % Li2O
   Calcium     0.19 %  Ca    0.26 % CaO
   Magnesium   3.46 %  Mg    5.74 % MgO
   Titanium    0.68 %  Ti    1.13 % TiO2
   Aluminum    0.64 %  Al    1.20 % Al2O3
   Zinc        0.15 %  Zn    0.19 % ZnO
   Iron       19.00 %  Fe   11.42 % FeO / 14.48 % Fe2O3
   Silicon    26.46 %  Si   56.60 % SiO2
   Hydrogen    0.19 %  H     1.68 % H2O
   Oxygen     44.42 %  O
   Fluorine    0.94 %  F     0.94 % F
                -   %   F    -0.40 % -O=F2    
             ______        ______ 
             100.00 %       99.86 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na0.43K0.03Li1.66Na0.3Ca0.04Fe3+1.54Fe2+1.35Mg1.21Li0.49Al0.2Ti0.12Zn0.02Si8O22 (OH)1.58F0.42
Help on Environment: Environment: Hydrothermal episyenitic bodies located in the east of the Pedriza Massif.
Help on IMA Status: IMA Status: Approved IMA 1998 (Dana # Added)
Help on Locality: Locality: East Pedriza Massif (Central System, Spain), Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: The name reflects its composition, monoclinic crystal structure, and relationship to holmquistite in accord with the nomenclature of Leake (1978a, 1978b)
Help on Synonym: Synonym: IMA1995-045
  IMA1995-045b
  Sodic-ferriclinoferroholmquistite