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Molybdophyllite Mineral Data
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General Molybdophyllite Information
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 Chemical Formula: |
Pb9Mg9Si9O24(OH)24 |
| Composition: |
Molecular Weight = 3,128.48 gm |
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Magnesium 6.99 % Mg 11.59 % MgO |
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Silicon 8.08 % Si 17.29 % SiO2 |
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Hydrogen 0.77 % H 6.91 % H2O |
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Lead 59.61 % Pb 64.21 % PbO |
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Oxygen 24.55 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Pb9Mg9Si9O24(OH)24 |
| IMA Status: |
Valid Species (Pre-IMA) 1901 |
| Locality: |
Langbanshyttan, Vermland. Sweden. Link to MinDat.org Location Data. |
| Name Origin: |
Named from the Greek for "lead" and "leaf", in allusion to its composition and foliated habit. |
| Name Pronunciation: |
Molybdophyllite + Pronunciation  |
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