Weddellite: Difference between revisions
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{{Infobox_Salt | {{Infobox_Salt | ||
|Footnote =<ref>http://www.mindat.org/min-4254.html viewed on 09/06/2011 </ref> | |Footnote =<ref>http://www.mindat.org/min-4254.html viewed on 09/06/2011 </ref><ref>http://webmineral.com/data/Weddellite.shtml viewed on 09/06/2011</ref> | ||
|photo = [[Image:Oxalat Kristalle Musterplatte.jpg|300px]] | |photo = [[Image:Oxalat Kristalle Musterplatte.jpg|300px]] | ||
|mineralogical_Name =Weddellite | |mineralogical_Name =Weddellite | ||
| Line 7: | Line 10: | ||
|chemical_Formula =Ca(C<sub>2</sub>O<sub>4</sub>)•2H<sub>2</sub>O | |chemical_Formula =Ca(C<sub>2</sub>O<sub>4</sub>)•2H<sub>2</sub>O | ||
|Hydratforms = | |Hydratforms = | ||
| | |Crystal_System = tetragonal | ||
|Crystal_Structure = | |||
|Deliqueszenzhumidity = | |Deliqueszenzhumidity = | ||
|Solubility = | |Solubility = | ||
|Density =2 | |Density =2.02 g/cm³ | ||
|MolVolume = | |MolVolume = | ||
|Molweight =164 | |Molweight =164.13 g/mol | ||
|Transparency = | |Transparency = | ||
|Cleavage = | |Cleavage = | ||
|Crystal_Habit = | |Crystal_Habit = | ||
|Twinning = | |Twinning = | ||
|Refractive_Indices =n<sub>o</sub> = 1 | |Refractive_Indices =n<sub>o</sub> = 1.523<br> n<sub>e</sub> = 1.544 | ||
|Birefringence =Δ = 0 | |Birefringence =Δ = 0.021 | ||
|optical_Orientation =positive | |optical_Orientation =positive | ||
|Pleochroism = | |Pleochroism = | ||
| Line 24: | Line 28: | ||
|Phase_Transition = | |Phase_Transition = | ||
|chemBehavior = | |chemBehavior = | ||
|Comments = | |Comments =insoluble in water | ||
|Literature = | |||
}} | }} | ||
==Weblinks== | ==Weblinks== | ||
<references/> | <references/> | ||
[[Category:Weddelite]][[Category:Oxalate]][[Category:Salt]][[Category:InProgress]] | ==Literature== | ||
<biblist/> | |||
[[Category:Weddelite]][[Category:Oxalate]][[Category:Salt]][[Category:InProgress]][[category:Organic_Salts]][[category:List]] | |||
Latest revision as of 17:57, 15 February 2015
back to Organic Salts
| Weddellite[1][2] | |
| |
| Mineralogical name | Weddellite |
| Chemical name | Calcium oxalate dihydrate |
| Trivial name | |
| Chemical formula | Ca(C2O4)•2H2O |
| Other forms | |
| Crystal system | tetragonal |
| Crystal structure | |
| Deliquescence humidity 20°C | |
| Solubility (g/l) at 20°C | |
| Density (g/cm³) | 2.02 g/cm³ |
| Molar volume | |
| Molar weight | 164.13 g/mol |
| Transparency | |
| Cleavage | |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | insoluble in water |
| Crystal Optics | |
| Refractive Indices | no = 1.523 ne = 1.544 |
| Birefringence | Δ = 0.021 |
| Optical Orientation | positive |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
Weblinks[edit]
- ↑ http://www.mindat.org/min-4254.html viewed on 09/06/2011
- ↑ http://webmineral.com/data/Weddellite.shtml viewed on 09/06/2011
Literature[edit]
There were no citations found in the article.