Mineralogy Database

Hauyne Mineral Data

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General Hauyne Information

Help on Chemical  Formula: Chemical Formula: (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2
Help on Composition: Composition: Molecular Weight = 1,032.43 gm
   Sodium     8.91 %  Na   12.01 % Na2O
   Calcium    7.76 %  Ca   10.86 % CaO
   Aluminum  15.68 %  Al   29.63 % Al2O3
   Silicon   16.32 %  Si   34.92 % SiO2
   Sulfur     9.32 %  S
   Chlorine   1.72 %  Cl    1.72 % Cl
               -   %   Cl   -0.39 % -O=Cl2   
   Oxygen    40.29 %  O
            ______        ______ 
            100.00 %       96.50 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na4Ca2Al6Si6O22S2(SO4)Cl0.5
Help on Environment: Environment: Igneous rocks low in silica and rich in alkalis.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1807
Help on Locality: Locality: Vesuvian lavas, on Mte Somma, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the French crystallographer, R. J. Hauy (1743-1822).
Help on Name Pronunciation: Name Pronunciation: Hauyne Say HAUYNE
Help on Synonym: Synonym: Hauynite
  ICSD 39952
  PDF 37-473