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Barium-zinc-alumopharmacosiderite Mineral Data
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General Barium-zinc-alumopharmacosiderite Information
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 Chemical Formula: |
(Ba,K)0.5(Zn,Cu)0.5(Al,Fe)4(AsO4)3•5(H2O) |
| Composition: |
Molecular Weight = 689.30 gm |
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Potassium 0.28 % K 0.34 % K2O |
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Barium 3.98 % Ba 4.45 % BaO |
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Aluminum 11.74 % Al 22.19 % Al2O3 |
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Zinc 1.90 % Zn 2.36 % ZnO |
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Iron 8.10 % Fe 11.58 % Fe2O3 |
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Copper 0.46 % Cu 0.58 % CuO |
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Arsenic 32.61 % As 50.02 % As2O5 |
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Hydrogen 1.46 % H 13.07 % H2O |
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Oxygen 39.46 % O |
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______ ______ |
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100.00 % 104.58 % = TOTAL OXIDE |
| Empirical Formula: |
0.5(Ba0.4)0.5(K0.1)0.5(Zn0.4)0.5(Cu0.1)Al3Fe3+(AsO4)3�5(H2O) |
| IMA Status: |
Not Approved IMA |
| Locality: |
Link to MinDat.org Location Data. |
| Name Origin: |
Named as the Ba and Zn analog of pharmacosiderite. |
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