Mineralogy Database

Eirikite Mineral Data

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General Eirikite Information

Help on Chemical  Formula: Chemical Formula: KNa6Be2(Si15Al3)O39F2
Help on Composition: Composition: Molecular Weight = 1,359.26 gm
   Potassium   2.88 %  K     3.46 % K2O
   Sodium     10.15 %  Na   13.68 % Na2O
   Beryllium   1.33 %  Be    3.68 % BeO
   Aluminum    5.96 %  Al   11.25 % Al2O3
   Silicon    30.99 %  Si   66.31 % SiO2
   Oxygen     45.91 %  O
   Fluorine    2.80 %  F     2.80 % F
                -   %   F    -1.18 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: KNa6Be2Si15Al3O39F2
Help on Environment: Environment: Leifite group
Help on IMA Status: IMA Status: Proposed IMA 2007 (Dana # Added)
Help on Locality: Locality: Vesle Ar´┐Ży island, Langesundsfjord district, Larvik community, Vestfold county, Norway Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Help on Synonym: Synonym: IMA2007-017