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Polylithionite Mineral Data
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General Polylithionite Information
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 Chemical Formula: |
KLi2AlSi4O10(F,OH)2 |
| Composition: |
Molecular Weight = 393.12 gm |
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Potassium 9.95 % K 11.98 % K2O |
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Sodium 1.75 % Na 2.36 % Na2O |
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Lithium 3.00 % Li 6.46 % Li2O |
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Aluminum 6.86 % Al 12.97 % Al2O3 |
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Silicon 28.58 % Si 61.14 % SiO2 |
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Hydrogen 0.26 % H 2.29 % H2O |
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Oxygen 44.77 % O |
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Fluorine 4.83 % F 4.83 % F |
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- %
F -2.03 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
KLi1.7Na0.3AlSi4O10F(OH) |
| Environment: |
In syenite pegmatites in differentiated alkalic rocks. |
| IMA Status: |
Valid Species (Pre-IMA) 1884 |
| Locality: |
Ilimaussaq intrusion, southern Greenland. Link to MinDat.org Location Data. |
| Name Origin: |
From the Greek "ploy" for many or much, and in allusion to its high LITHIum content. |
| Name Pronunciation: |
Polylithionite + Pronunciation  |
| Synonym: |
ICSD 34336 (with F) |
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PDF 21952 |
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