Weddellite: Difference between revisions
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[[Category:Weddelite]][[Category:Oxalate]][[Category:Salt]][[Category:InProgress]][[category: | [[Category:Weddelite]][[Category:Oxalate]][[Category:Salt]][[Category:InProgress]][[category:Organic_Salts]] | ||
Revision as of 13:09, 9 July 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 | not soluble in water |
| 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