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Ludlockite Mineral Data
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General Ludlockite Information
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 Chemical Formula: |
(Fe++,Pb)As+++++2O6 |
| Composition: |
Molecular Weight = 309.25 gm |
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Iron 17.16 % Fe 22.07 % FeO |
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Arsenic 48.45 % As 74.32 % As2O5 |
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Lead 3.35 % Pb 3.61 % PbO |
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Oxygen 31.04 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Fe2+0.95Pb0.05As2O6 |
| Environment: |
Oxidized ore bodies containing lead, iron, and As bearing sulfosalts. Found with zincian siderite in the "germanite section" at Tsumeb. |
| IMA Status: |
Approved IMA 1970 |
| Locality: |
In a boulder of ore found at Tsumeb, Namibia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for F. Ludlow Smith III and C. Locke Key, mineral collectors and dealers in New Jersy. |
| Name Pronunciation: |
Ludlockite + Pronunciation  |
| Synonym: |
ICSD 82486 |
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Ludlockite-Pb |
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PDF 29-774 |
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