Mineralogy Database

Pitiglianoite Mineral Data

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General Pitiglianoite Information

Help on Chemical Formula: Chemical Formula: Na6K2Si6Al6O24(SO4)•2(H2O)
Help on Composition: Composition: Molecular Weight = 1,062.62 gm
   Potassium   7.36 %  K     8.86 % K2O
   Sodium     12.98 %  Na   17.50 % Na2O
   Aluminum   15.23 %  Al   28.79 % Al2O3
   Silicon    15.86 %  Si   33.93 % SiO2
   Hydrogen    0.38 %  H     3.39 % H2O
   Sulfur      3.02 %  S     7.53 % SO3
   Oxygen     45.17 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K2Na6Si6Al6O24(SO4)•2(H2O)
Help on Environment: Environment: In a pumice quarry, in ejected blocks showing metasomatic effects. A product of reaction between trachitic magma and carbonate and sulfate rock in the volcanic vent.
Help on IMA Status: IMA Status: Approved IMA 1991
Help on Locality: Locality: Casa Collina, Ptigliano, Tuscany, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the locality.
Help on Name Pronunciation: Name Pronunciation: Pitiglianoite + Pronunciation Say PITIGLIANOITE
Help on Synonym: Synonym: ICSD 66463
  IMA1990-012
  PDF 46-1390