| |
 |
Duftite-alpha Mineral Data
|
|
|
General Duftite-alpha Information
|
 Chemical Formula: |
PbCu(AsO4)(OH) |
| Composition: |
Molecular Weight = 426.67 gm |
| |
Copper 14.89 % Cu 18.64 % CuO |
| |
Arsenic 17.56 % As 26.93 % As2O5 |
| |
Hydrogen 0.24 % H 2.11 % H2O |
| |
Lead 48.56 % Pb 52.31 % PbO |
| |
Oxygen 18.75 % O |
| |
______ ______ |
| |
100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
PbCu(AsO4)(OH) |
| Environment: |
Secondary mineral in the oxidized zone of hydrothermal base metal deposits. |
| IMA Status: |
Valid Species (Pre-IMA) 1956 |
| Locality: |
Tsumeb, Namibia Link to MinDat.org Location Data. |
| Name Origin: |
Named in 1920 for G. Duft, general manager of the mine at Tsumeb, Namibia. |
| Name Pronunciation: |
Duftite-alpha  |
| Synonym: |
Duftite-beta - compositional intermediate in the duftite-conichalcite series |
| |