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Penfieldite Mineral Data
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General Penfieldite Information
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 Chemical Formula: |
Pb2Cl3(OH) |
| Composition: |
Molecular Weight = 537.77 gm |
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Hydrogen 0.19 % H 1.68 % H2O |
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Lead 77.06 % Pb 83.01 % PbO |
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Chlorine 19.78 % Cl 19.78 % Cl |
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- %
Cl -4.46 % -O=Cl2 |
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Oxygen 2.98 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Pb2Cl3(OH) |
| Environment: |
Secondary mineral from smelting activities and sea water contact. |
| IMA Status: |
Valid Species (Pre-IMA) 1892 |
| Locality: |
Ancient lead slags at Laurium, Greece. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Samuel L. Penfield (1856-1905), American mineralogist and mineral chemist. |
| Name Pronunciation: |
Penfieldite + Pronunciation  |
| Synonym: |
ICSD 81086 |
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PDF 22-384 |
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