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Slawsonite Mineral Data
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General Slawsonite Information
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 Chemical Formula: |
(Sr,Ca)Al2Si2O8 |
| Composition: |
Molecular Weight = 309.65 gm |
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Strontium 22.64 % Sr 26.77 % SrO |
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Calcium 1.29 % Ca 1.81 % CaO |
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Aluminum 15.68 % Al 29.64 % Al2O3 |
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Silicon 19.05 % Si 40.75 % SiO2 |
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Oxygen 41.34 % O |
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______ ______ |
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100.00 % 98.97 % = TOTAL OXIDE |
| Empirical Formula: |
Sr0.8Ca0.1Al1.8Si2.1O8 |
| Environment: |
In pectolite veinlets in metamorphosed xenoliths. |
| IMA Status: |
Approved IMA 1977 |
| Locality: |
From the Wallowa Mountains, Wallowa County, Oregon, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Chester Baker Slawson (1898-1964, Mineralogist AT THE University of Michigan, Ann Arbor, Michigan, USA. |
| Name Pronunciation: |
Slawsonite + Pronunciation  |
| Synonym: |
ICSD 100141 |
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PDF 37-462 |
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