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Umbozerite Mineral Data
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General Umbozerite Information
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 Chemical Formula: |
Na3Sr4ThSi8(O,OH)24 |
| Composition: |
Molecular Weight = 1,262.17 gm |
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Sodium 5.46 % Na 7.37 % Na2O |
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Strontium 27.77 % Sr 32.84 % SrO |
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Thorium 18.38 % Th 20.92 % ThO2 |
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Silicon 17.80 % Si 38.08 % SiO2 |
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Hydrogen 0.16 % H 1.43 % H2O |
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Oxygen 30.42 % O |
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______ ______ |
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100.00 % 100.63 % = TOTAL OXIDE |
| Empirical Formula: |
Na3Sr4ThSi8O22(OH)2 |
| Environment: |
In ussingite veinlets cutting alkalic rocks. |
| IMA Status: |
Approved IMA 1974 |
| Locality: |
Umbozero (Lake Umba), Kola Peninsula, Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Umbozerite + Pronunciation  |
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