Mineralogy Database

Alloriite Mineral Data

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General Alloriite Information

Help on Chemical  Formula: Chemical Formula: Na5K1.5Ca(Si6Al6O24)(SO4)(OH)0.5•H2O
Help on Composition: Composition: Molecular Weight = 4,362.65 gm
   Potassium   5.57 %  K     6.70 % K2O
   Sodium     10.10 %  Na   13.61 % Na2O
   Calcium     4.47 %  Ca    6.26 % CaO
   Aluminum   14.06 %  Al   26.57 % Al2O3
   Silicon    16.26 %  Si   34.79 % SiO2
   Hydrogen    0.24 %  H     2.11 % H2O
   Carbon      0.19 %  C     0.71 % CO2
   Sulfur      3.59 %  S     8.96 % SO3
   Chlorine    0.37 %  Cl    0.37 % Cl
                -   %   Cl   -0.08 % -O=Cl2   
   Oxygen     45.15 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na19.16K6.21Ca4.87Si25.26Al22.74O96(SO4)4.88(CO3)0.7Cl0.46(OH)0.76�4.73(H2O)
Help on Environment: Environment: Sabatino volcanic complex. Cancrinite group. Afghanite structure type.
Help on IMA Status: IMA Status: Approved IMA 2006 (Dana # Added)
Help on Locality: Locality: Monte Cavalluccio, Campagnano municipality, Roma province, Latium region, Italy Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Roberto Allori (1933*), Italian amateur mineralogist and collector, who found the mineral.
Help on Synonym: Synonym: IMA2006-020