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Nealite-(H2O) Mineral Data
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General Nealite-(H2O) Information
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 Chemical Formula: |
Pb4Fe++(As+++O3)2Cl4•2(H2O) |
| Composition: |
Molecular Weight = 1,308.33 gm |
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Iron 4.27 % Fe 5.49 % FeO |
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Arsenic 11.45 % As 15.12 % As2O3 |
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Hydrogen 0.31 % H 2.75 % H2O |
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Lead 63.35 % Pb 68.24 % PbO |
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Chlorine 10.84 % Cl 10.84 % Cl |
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- %
Cl -2.45 % -O=Cl2 |
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Oxygen 9.78 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Pb4Fe2+(AsO3)2Cl4•2(H2O) |
| Environment: |
Weathered lead slag. |
| IMA Status: |
Not Approved IMA 1980 |
| Locality: |
Laurion, Greece. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Neal Yedlin (1908-1977), U. S. Mineralogist, who discovered the mineral. |
| Name Pronunciation: |
Nealite-(H2O)  |
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