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Meta-alunogen Mineral Data
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General Meta-alunogen Information
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Chemical Formula: |
Al4(SO4)6•27(H2O) |
Composition: |
Molecular Weight = 1,170.72 gm |
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Aluminum 9.22 % Al 17.42 % Al2O3 |
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Hydrogen 4.65 % H 41.55 % H2O |
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Sulfur 16.43 % S 41.03 % SO3 |
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Oxygen 69.70 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Al4(SO4)6•27(H2O) |
Environment: |
Formed by dehydration of alunogen. |
IMA Status: |
Valid Species (Pre-IMA) 1942 |
Locality: |
Alum mines 3.5 km south of Francisco de Vergara, Antofagasta, Chile Link to MinDat.org Location Data. |
Name Origin: |
Named for meta, indicating a lower hydrate, and alunogen. |
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