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Helmutwinklerite Mineral Data
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General Helmutwinklerite Information
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 Chemical Formula: |
PbZn2(AsO4)2•2(H2O) |
| Composition: |
Molecular Weight = 651.85 gm |
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Zinc 20.06 % Zn 24.97 % ZnO |
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Arsenic 22.99 % As 35.26 % As2O5 |
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Hydrogen 0.62 % H 5.53 % H2O |
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Lead 31.79 % Pb 34.24 % PbO |
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Oxygen 24.54 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
PbZn2(AsO4)2•2(H2O) |
| Environment: |
Rare secondary mineral in corroded tennantite ore from a dolostone-hosted hydrothermal polymetallic ore deposit. |
| IMA Status: |
Approved IMA 1980 |
| Locality: |
Tsumeb, Namibia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Helmut G.F. Winkler (1915-1980), University of Gottingen, Gottingen, Germany |
| Name Pronunciation: |
Helmutwinklerite + Pronunciation  |
| Synonym: |
ICSD 76617 |
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PDF 33-781 |
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