Whewellite: Difference between revisions
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Revision as of 13:05, 9 July 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