Mineralogy Database

Cancrisilite Mineral Data

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General Cancrisilite Information

Help on Chemical  Formula: Chemical Formula: Na7Al5Si7O24(C03)•3(H2O)
Help on Composition: Composition: Molecular Weight = 990.48 gm
   Sodium    16.25 %  Na   21.90 % Na2O
   Aluminum  13.62 %  Al   25.74 % Al2O3
   Silicon   19.85 %  Si   42.46 % SiO2
   Hydrogen   0.61 %  H     5.46 % H2O
   Carbon     1.21 %  C     4.44 % CO2
   Oxygen    48.46 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na7Al5Si7O24(CO3)•3(H2O)
Help on Environment: Environment: In ultra-agpaitic pegmatites in a differentiated alkalic massif.
Help on IMA Status: IMA Status: Approved IMA 1991
Help on Locality: Locality: From the Lovozero massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For the relatively high ration of silicon to aluminum, and its relation to "cancrinite."
Help on Synonym: Synonym: Carbonate vishnevite
  IMA1990-013