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Fraipontite Mineral Data
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General Fraipontite Information
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 Chemical Formula: |
(Zn,Al)3(Si,Al)2O5(OH)4 |
| Composition: |
Molecular Weight = 372.82 gm |
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Aluminum 9.41 % Al 17.78 % Al2O3 |
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Zinc 40.34 % Zn 50.21 % ZnO |
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Silicon 10.55 % Si 22.56 % SiO2 |
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Hydrogen 1.08 % H 9.66 % H2O |
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Oxygen 38.62 % O |
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______ ______ |
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100.00 % 100.21 % = TOTAL OXIDE |
| Empirical Formula: |
Zn2.3Al0.7Si1.4Al0.6O5(OH)4 |
| Environment: |
Alteration product of smithsonite. |
| IMA Status: |
Valid Species (Pre-IMA) 1927 |
| Locality: |
Vielle-Montagne, Belgium. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Julien Jean Joseph Fraipont (1857-1910), and Charles Fraipont, of Liege, Belgium, both geologists and paleontologists. |
| Name Pronunciation: |
Fraipontite + Pronunciation  |
| Synonym: |
Zinalsite |
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