Mineralogy Database

IMA2007-015 Mineral Data

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General IMA2007-015 Information

Help on Chemical  Formula: Chemical Formula: K(CaNa)(Fe++3Al2)(Si6Al2)O22(OH)2
Help on Composition: Composition: Molecular Weight = 932.15 gm
   Potassium   4.19 %  K     5.05 % K2O
   Sodium      2.47 %  Na    3.32 % Na2O
   Calcium     4.30 %  Ca    6.02 % CaO
   Aluminum   11.58 %  Al   21.88 % Al2O3
   Iron       17.97 %  Fe   23.12 % FeO
   Silicon    18.08 %  Si   38.67 % SiO2
   Hydrogen    0.22 %  H     1.93 % H2O
   Oxygen     41.19 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: KCaNaFe2+3Al2Si6Al2O22(OH)2
Help on Environment: Environment: Amphibole group
Help on IMA Status: IMA Status: Proposed IMA 2007
Help on Locality: Locality: Sierra de los Filabres, Almer´┐Ża, SE Spain Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals, Nomenclature and Classification (CNMNC)