Weddellite: Difference between revisions
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|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 = | ||
Revision as of 09:02, 10 June 2011
| Weddellite[1][2] | |
| |
| Mineralogical name | Weddellite |
| Chemical name | Calcium oxalate dihydrate |
| Trivial name | |
| Chemical formula | Ca(C2O4)•2H2O |
| Other forms | |
| Crystal system | {{{Crystal_System}}} |
| 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 | |
| Crystal Optics | |
| Refractive Indices | no = 1,523 ne = 1,544 |
| Birefringence | Δ = 0,021 |
| Optical Orientation | positive |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
| {{{Literature}}} | |
back to Organic Salts
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