Mineralogy Database

Jorgensenite Mineral Data

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General Jorgensenite Information

Help on Chemical  Formula: Chemical Formula: Na2(Sr,Ba)14Na2Al12F64(OH,F)
Help on Composition: Composition: Molecular Weight = 3,049.79 gm
   Barium     15.76 %  Ba   17.60 % BaO
   Sodium      3.02 %  Na    4.06 % Na2O
   Strontium  30.17 %  Sr   35.67 % SrO
   Aluminum   10.62 %  Al   20.06 % Al2O3
   Hydrogen    0.02 %  H     0.22 % H2O
   Oxygen      0.39 %  O
   Fluorine   40.02 %  F    40.02 % F
                -   %   F   -16.85 % -O=F2    
             ______        ______ 
             100.00 %      100.79 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na414(Sr0.75)14(Ba0.25)Al12F64.25(OH)0.75
Help on Environment: Environment: In vugs and as fissure fillings in a cryolite deposit with other fluorides.
Help on IMA Status: IMA Status: Approved IMA 1995 (Dana # Added)
Help on Locality: Locality: Ivigtut cryolite deposit, Greenland Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Vilhelm J´┐Żrgensen (1844-1925), cofounder, in 1870, of the cryolite factory at Ivigtut, Greenland.
Help on Name Pronunciation: Name Pronunciation: Jorgensenite + Pronunciation Say JORGENSENITE
Help on Synonym: Synonym: IMA1995-046