Mineralogy Database

Trilithionite Mineral Data

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General Trilithionite Information

Help on Chemical Formula: Chemical Formula: KLi1.5Al1.5AlSi3O10F2
Help on Composition: Composition: Molecular Weight = 399.21 gm
   Potassium   9.79 %  K    11.80 % K2O
   Lithium     2.61 %  Li    5.61 % Li2O
   Aluminum   16.90 %  Al   31.93 % Al2O3
   Silicon    21.11 %  Si   45.15 % SiO2
   Oxygen     40.08 %  O
   Fluorine    9.52 %  F     9.52 % F
                -   %   F    -4.01 % -O=F2    
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: KLi1.5Al2.5Si3O10F2
Help on Environment: Environment: Intermediate composition near polylithionite. Non-end member species.
Help on IMA Status: IMA Status: Approved IMA 1960 (Dana # Added)
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the high concentration of lithium.
Help on Name Pronunciation: Name Pronunciation: Trilithionite + Pronunciation Say TRILITHIONITE