Mineralogy Database

Pollucite Mineral Data

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General Pollucite Information

Help on Chemical  Formula: Chemical Formula: (Cs,Na)2Al2Si4O12•(H2O)
Help on Composition: Composition: Molecular Weight = 285.03 gm
   Cesium    27.98 %  Cs   29.66 % Cs2O
   Rubidium   1.20 %  Rb    1.31 % Rb2O
   Sodium     1.61 %  Na    2.17 % Na2O
   Aluminum   8.52 %  Al   16.10 % Al2O3
   Silicon   20.69 %  Si   44.27 % SiO2
   Hydrogen   0.71 %  H     6.32 % H2O
   Oxygen    39.29 %  O
            ______        ______ 
            100.00 %       99.83 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cs0.6Na0.2Rb0.04Al0.9Si2.1O6•(H2O)
Help on Environment: Environment: Lithium-rich granitic pegmatites. Forms a series with analcime.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1846
Help on Locality: Locality: Elba, Italy Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Pollux, a figure from Greek mythology, brother of Castor, for its common association with "castorite" (petalite).
Help on Name Pronunciation: Name Pronunciation: Pollucite + Pronunciation Say POLLUCITE
Help on Synonym: Synonym: ICSD 39895
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