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Ussingite Mineral Data
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General Ussingite Information
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 Chemical Formula: |
Na2AlSi3O8(OH) |
| Composition: |
Molecular Weight = 302.22 gm |
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Sodium 15.21 % Na 20.51 % Na2O |
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Aluminum 8.93 % Al 16.87 % Al2O3 |
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Silicon 27.88 % Si 59.64 % SiO2 |
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Hydrogen 0.33 % H 2.98 % H2O |
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Oxygen 47.65 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na2AlSi3O8(OH) |
| Environment: |
Syenite pegmatites. Distinguished from sodalite by lack of fluorescence. |
| IMA Status: |
Valid Species (Pre-IMA) 1915 |
| Locality: |
Kangerdluarusuk, Ilimaussaq, Greenland. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Niels Viggo Ussing (1864-1911), Copenhagen, Denmark. |
| Name Pronunciation: |
Ussingite + Pronunciation  |
| Synonym: |
ICSD 6265 |
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PDF 28.1037 |
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