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Rappoldite Mineral Data
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General Rappoldite Information
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 Chemical Formula: |
Pb(Co,Ni,Zn,)2(AsO4)2•2(H2O) |
| Composition: |
Molecular Weight = 641.37 gm |
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Zinc 4.08 % Zn 5.08 % ZnO |
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Cobalt 9.19 % Co 11.68 % CoO |
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Nickel 5.49 % Ni 6.99 % NiO |
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Arsenic 23.36 % As 35.84 % As2O5 |
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Hydrogen 0.63 % H 5.62 % H2O |
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Lead 32.31 % Pb 34.80 % PbO |
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Oxygen 24.95 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
PbCoNi0.6Zn0.4(AsO4)2•2(H2O) |
| Environment: |
Co-dominant analogue of helmutwinklerite associated with cobaltlotharmeyerite as overgrowths on quartz. |
| IMA Status: |
Approved IMA 1998 (Dana # Added) |
| Locality: |
Dump material from the Rappold mine near Schneeberg, Saxony, Germay. Link to MinDat.org Location Data. |
| Name Origin: |
Named after the locality. |
| Synonym: |
IMA1998-015 |
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