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Leifite Mineral Data
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General Leifite Information
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 Chemical Formula: |
Na2(Si,Al,Be)7(O,OH,F)14 |
| Composition: |
Molecular Weight = 425.47 gm |
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Sodium 10.81 % Na 14.57 % Na2O |
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Beryllium 1.48 % Be 4.11 % BeO |
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Aluminum 13.32 % Al 25.16 % Al2O3 |
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Silicon 23.76 % Si 50.84 % SiO2 |
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Hydrogen 0.76 % H 6.77 % H2O |
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Oxygen 43.62 % O |
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Fluorine 6.25 % F 6.25 % F |
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- %
F -2.63 % -O=F2 |
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______ ______ |
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100.00 % 105.08 % = TOTAL OXIDE |
| Empirical Formula: |
Na2Si3.6Al2.1Be0.7O8.4(OH)3.2F1.4 |
| Environment: |
Cavities in alkali-pegmatite veins. |
| IMA Status: |
Valid Species (Pre-IMA) 1915 |
| Locality: |
Narsarsuk, Greenland. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the tenth-century Norse mariner and explorer Leif Ericson. |
| Name Pronunciation: |
Leifite  |
| Synonym: |
ICSD 2031 |
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PDF 27-1 |
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