Mineralogy Database

Leifite Mineral Data

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General Leifite Information

Help on Chemical  Formula: Chemical Formula: Na2(Si,Al,Be)7(O,OH,F)14
Help on Composition: Composition: Molecular Weight = 425.47 gm
   Sodium     10.81 %  Na   14.57 % Na2O
   Beryllium   1.48 %  Be    4.11 % BeO
   Aluminum   13.32 %  Al   25.16 % Al2O3
   Silicon    23.76 %  Si   50.84 % SiO2
   Hydrogen    0.76 %  H     6.77 % H2O
   Oxygen     43.62 %  O
   Fluorine    6.25 %  F     6.25 % F
                -   %   F    -2.63 % -O=F2    
             ______        ______ 
             100.00 %      105.08 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2Si3.6Al2.1Be0.7O8.4(OH)3.2F1.4
Help on Environment: Environment: Cavities in alkali-pegmatite veins.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1915
Help on Locality: Locality: Narsarsuk, Greenland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the tenth-century Norse mariner and explorer Leif Ericson.
Help on Name Pronunciation: Name Pronunciation: Leifite Say LEIFITE
Help on Synonym: Synonym: ICSD 2031
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