Lansfordite
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| Lansfordite[1][2] | |
| Mineralogical name | Lansfordite |
| Chemical name | Magnesium carbonate pentahydrate |
| Trivial name | |
| Chemical formula | MgCO3•5H2O |
| Other forms | |
| Crystal system | monoclinic |
| Crystal structure | |
| Deliquescence humidity 20°C | |
| Solubility (g/l) at 20°C | |
| Density (g/cm³) | 1.73 g/cm³ |
| Molar volume | |
| Molar weight | 174.4 g/mol |
| Transparency | translucent |
| Cleavage | perfect |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | hardly soluble in water pH about 10 |
| Crystal Optics | |
| Refractive Indices | nx = 1.465 ny = 1.468 nz = 1.507 |
| Birefringence | Δ = 0.042 |
| Optical Orientation | positiv |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
| {{{Literature}}} | |
back to Carbonate
Weblinks[edit]
- ↑ http://webmineral.com/data/Lansfordite.shtml viewed on 09/07/2011
- ↑ http://www.mindat.org/min-2324.html viewed on 09/06/2011