Whewellite: Difference between revisions
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|Deliqueszenzhumidity = | |Deliqueszenzhumidity = | ||
|Solubility = | |Solubility = | ||
|Density =2 | |Density =2.21 g/cm³ | ||
|MolVolume = | |MolVolume = | ||
|Molweight =146 | |Molweight =146.12 g/mol | ||
|Transparency =transparent to translucent | |Transparency =transparent to translucent | ||
|Cleavage =very good | |Cleavage =very good | ||
|Crystal_Habit = | |Crystal_Habit = | ||
|Twinning = | |Twinning = | ||
|Refractive_Indices =n<sub>x</sub> = 1 | |Refractive_Indices =n<sub>x</sub> = 1.491<br> n<sub>y</sub> = 1.555<br> n<sub>z</sub> = 1.650 | ||
|Birefringence =Δ = 0 | |Birefringence =Δ = 0.159 | ||
|optical_Orientation = | |optical_Orientation = | ||
|Pleochroism = | |Pleochroism = | ||
Revision as of 15:57, 20 December 2011
| Whewellite[1][2] | |
| Mineralogical name | Whewellite |
| Chemical name | |
| Trivial name | |
| Chemical formula | Ca(C2O4)•H2O |
| Other forms | |
| Crystal system | monoclinic |
| Crystal structure | |
| Deliquescence humidity 20°C | |
| Solubility (g/l) at 20°C | |
| Density (g/cm³) | 2.21 g/cm³ |
| Molar volume | |
| Molar weight | 146.12 g/mol |
| Transparency | transparent to translucent |
| Cleavage | very good |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | not soluble in water |
| Crystal Optics | |
| Refractive Indices | nx = 1.491 ny = 1.555 nz = 1.650 |
| Birefringence | Δ = 0.159 |
| Optical Orientation | |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
| {{{Literature}}} | |
back to Organic Salts
Weblinks[edit]
- ↑ http://webmineral.com/data/Whewellite.shtml viewed on 09/06/2011
- ↑ http://www.mindat.org/min-4276.html viewed on 09/06/2011