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Pollucite Mineral Data
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General Pollucite Information
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 Chemical Formula: |
(Cs,Na)2Al2Si4O12•(H2O) |
| Composition: |
Molecular Weight = 285.03 gm |
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Cesium 27.98 % Cs 29.66 % Cs2O |
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Rubidium 1.20 % Rb 1.31 % Rb2O |
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Sodium 1.61 % Na 2.17 % Na2O |
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Aluminum 8.52 % Al 16.10 % Al2O3 |
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Silicon 20.69 % Si 44.27 % SiO2 |
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Hydrogen 0.71 % H 6.32 % H2O |
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Oxygen 39.29 % O |
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______ ______ |
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100.00 % 99.83 % = TOTAL OXIDE |
| Empirical Formula: |
Cs0.6Na0.2Rb0.04Al0.9Si2.1O6•(H2O) |
| Environment: |
Lithium-rich granitic pegmatites. Forms a series with analcime. |
| IMA Status: |
Valid Species (Pre-IMA) 1846 |
| Locality: |
Elba, Italy Link to MinDat.org Location Data. |
| Name Origin: |
Named after Pollux, a figure from Greek mythology, brother of Castor, for its common association with "castorite" (petalite). |
| Name Pronunciation: |
Pollucite + Pronunciation  |
| Synonym: |
ICSD 39895 |
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PDF 25-194 |
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