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Sillenite Mineral Data
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General Sillenite Information
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 Chemical Formula: |
Bi12SiO20 |
| Composition: |
Molecular Weight = 2,855.84 gm |
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Silicon 0.98 % Si 2.10 % SiO2 |
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Bismuth 87.81 % Bi 97.90 % Bi2O3 |
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Oxygen 11.20 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Bi12SiO20 |
| Environment: |
Associated with bismutite |
| IMA Status: |
Valid Species (Pre-IMA) 1943 |
| Locality: |
Durango, Mexico. Link to MinDat.org Location Data. |
| Name Origin: |
Named fo rLars Gunnar Sillen (1916-1970) of Stockholm, Sweden for his work on Bi2O3 polymorphs. |
| Name Pronunciation: |
Sillenite + Pronunciation  |
| Synonym: |
ICSD 28443 |
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PDF 37-485 |
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