Uranopilite: Difference between revisions
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| caption = Uranopilite with Fluorescence - Exposed in the Mineralogical Museum, Bonn, Germany |
| caption = Uranopilite with Fluorescence - Exposed in the Mineralogical Museum, Bonn, Germany |
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| category = [[Sulfate minerals]] |
| category = [[Sulfate minerals]] |
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| formula = (UO<sub>2</sub>)<sub>6</sub>SO<sub>4</sub>(OH)<sub>6</sub>O<sub>2</sub>· |
| formula = (UO<sub>2</sub>)<sub>6</sub>SO<sub>4</sub>(OH)<sub>6</sub>O<sub>2</sub>·14H<sub>2</sub>O |
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| strunz = |
| strunz = 7.EA.05 |
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| dana = |
| dana = |
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| symmetry = |
| symmetry = Triclinic P{{overline|1}} ({{overline|1}}) |
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| habit = |
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| system = |
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| twinning = |
| twinning = Triclinic |
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| references = <ref>http://www.mindat.org/min-4108.html Mindat</ref><ref>https://www.mineralienatlas.de/lexikon/index.php/MineralData?mineral=Uranopilite Mineralienatlas</ref> |
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'''Uranopilite''' is a minor [[ore]] of [[uranium]] with the chemistry ([[uranium|U]][[oxygen|O]]<sub>2</sub>)<sub>6</sub>[[sulfur|S]]O<sub>4</sub>(O[[hydrogen|H]])<sub>6</sub>O<sub>2</sub>· |
'''Uranopilite''' is a minor [[ore]] of [[uranium]] with the chemistry ([[uranium|U]][[oxygen|O]]<sub>2</sub>)<sub>6</sub>[[sulfur|S]]O<sub>4</sub>(O[[hydrogen|H]])<sub>6</sub>O<sub>2</sub>·14[[water|H<sub>2</sub>O]] or, '''Hydrated Uranyl Sulfate Hydroxide'''. |
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As with many uranyl minerals, it is [[fluorescent]] and [[radioactive]]. It is straw yellow in normal light. Uranopilite fluoresces a bright green under [[ultraviolet light]]. Uranopilite contains clusters of six uranyl pentagonal bipyramids that share equatorial edges and vertices, with the clusters cross-linked to form chains by sharing vertices with sulfate tetrahedra. In uranopilite, the chains are linked directly by hydrogen bonds, as well as to interstitial H<sub>2</sub>O groups. |
As with many uranyl minerals, it is [[fluorescent]] and [[radioactive]]. It is straw yellow in normal light. Uranopilite fluoresces a bright green under [[ultraviolet light]]. Uranopilite contains clusters of six uranyl pentagonal bipyramids that share equatorial edges and vertices, with the clusters cross-linked to form chains by sharing vertices with sulfate tetrahedra. In uranopilite, the chains are linked directly by hydrogen bonds, as well as to interstitial H<sub>2</sub>O groups. |
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== References == |
== References == |
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{{reflist}} |
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* [http://burgaz.mit.edu/PUBLICATIONS/PDF/pssc-30-1-2002.pdf Progress in Solid State Chemistry] |
* [http://burgaz.mit.edu/PUBLICATIONS/PDF/pssc-30-1-2002.pdf Progress in Solid State Chemistry] |
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* [http://un2sg4.unige.ch/athena/cgi-bin/minfich?s=METAURANOPILITE ATHENA MINERAL: Mineral Data] |
* [http://un2sg4.unige.ch/athena/cgi-bin/minfich?s=METAURANOPILITE ATHENA MINERAL: Mineral Data] |
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Revision as of 07:19, 9 March 2016
| Uranopilite | |
|---|---|
 Uranopilite with Fluorescence - Exposed in the Mineralogical Museum, Bonn, Germany | |
| Allgemein | |
| Kategorie | Sulfate minerals |
| Formula (repeating unit) | (UO2)6SO4(OH)6O2·14H2O |
| Strunz classification | 7.EA.05 |
| Space group | Triclinic P1 (1) |
| Identification | |
| Twinning | Triclinic |
| References | [1][2] |
Uranopilite is a minor ore of uranium with the chemistry (UO2)6SO4(OH)6O2·14H2O or, Hydrated Uranyl Sulfate Hydroxide.
As with many uranyl minerals, it is fluorescent and radioactive. It is straw yellow in normal light. Uranopilite fluoresces a bright green under ultraviolet light. Uranopilite contains clusters of six uranyl pentagonal bipyramids that share equatorial edges and vertices, with the clusters cross-linked to form chains by sharing vertices with sulfate tetrahedra. In uranopilite, the chains are linked directly by hydrogen bonds, as well as to interstitial H2O groups.
Uranopilite is associated with other uranyl minerals such as zippeite and johannite and, like them, is usually found as an efflorescent crust in uranium mines.
Notable occurrences include:
- Wheal Owles, Cornwall, England
- San Juan County, Utah, USA
- Northwest Territories, Canada
- Bohemian region of Europe
See also
References
Wikimedia Commons has media related to Uranopilite.