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Brewsterite-Sr Mineral Data
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General Brewsterite-Sr Information
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 Chemical Formula: |
(Sr,Ba)Al4Si12O32•10(H2O) |
| Composition: |
Molecular Weight = 1,330.04 gm |
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Potassium 0.06 % K 0.07 % K2O |
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Barium 4.96 % Ba 5.53 % BaO |
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Strontium 9.35 % Sr 11.06 % SrO |
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Aluminum 8.36 % Al 15.79 % Al2O3 |
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Silicon 25.23 % Si 53.98 % SiO2 |
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Hydrogen 1.52 % H 13.54 % H2O |
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Oxygen 50.52 % O |
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______ ______ |
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100.00 % 99.99 % = TOTAL OXIDE |
| Empirical Formula: |
Sr1.42Ba0.48K0.02Al4.12Si11.95O32•10(H2O) |
| Environment: |
A hydrothermal mineral occurring in vugs of massive volcanic rocks and in veins. Renamed by the zeolite commission to brewsterite-Sr. |
| IMA Status: |
Valid Species (Pre-IMA) 1822 |
| Locality: |
Strontian at Argyleshite, Scotland. Link to MinDat.org Location Data. |
| Name Origin: |
Named after David Brewster (1781-1868), Scottish physicist, who studied the optical properties of minerals and the element Strontium. |
| Name Pronunciation: |
Brewsterite-Sr + Pronunciation  |
| Synonym: |
Brewsterite |
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Strontiumbrewsterite |
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