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Barium-alumopharmacosiderite Mineral Data
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General Barium-alumopharmacosiderite Information
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 Chemical Formula: |
BaAl4(AsO4)3(OH)5•5(H2O) |
| Composition: |
Molecular Weight = 837.12 gm |
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Barium 16.40 % Ba 18.32 % BaO |
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Aluminum 12.89 % Al 24.36 % Al2O3 |
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Arsenic 26.85 % As 41.18 % As2O5 |
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Hydrogen 1.81 % H 16.14 % H2O |
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Oxygen 42.05 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
BaAl4(AsO4)3(OH)5•5(H2O) |
| IMA Status: |
Discredited IMA 1971 - Approved IMA 1966 |
| Locality: |
Link to MinDat.org Location Data. |
| Name Origin: |
Named in 1966 as the aluminum end member with barium pharmcosiderite. |
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