Mineralogy Database

Buergerite Mineral Data

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General Buergerite Information

Help on Chemical  Formula: Chemical Formula: NaFe+++3Al6(BO3)3Si6O21F
Help on Composition: Composition: Molecular Weight = 1,052.34 gm
   Sodium     2.18 %  Na    2.94 % Na2O
   Aluminum  15.38 %  Al   29.07 % Al2O3
   Iron      15.92 %  Fe   22.76 % Fe2O3
   Silicon   16.01 %  Si   34.26 % SiO2
   Boron      3.08 %  B     9.92 % B2O3
   Oxygen    45.61 %  O
   Fluorine   1.81 %  F     1.81 % F
               -   %   F    -0.76 % -O=F2    
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaFe3+3Al6(BO3)3Si6O21F
Help on Environment: Environment: Of probable pneumatolytic origin, in cavities in a rhyolite.
Help on IMA Status: IMA Status: Approved IMA 1966 (Dana # Changed)
Help on Locality: Locality: From near Mexquitic, San Luis Potosi, Mexico. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: To honor Professor Martin Buerger (1903-1986), eminent crystallographer, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
Help on Name Pronunciation: Name Pronunciation: Buergerite + Pronunciation Say BUERGERITE
Help on Synonym: Synonym: Buergerite - (61.3.1.5)
  ICSD 74183
  PDF 17-517
  Tourmaline