Nesquehonite: Difference between revisions
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Revision as of 15:03, 20 December 2011
| Nesquehonite[1][2] | |
| Mineralogical name | |
| Chemical name | Magnesium carbonate trihydrate |
| Trivial name | |
| Chemical formula | MgCO3•3H2O |
| Other forms | |
| Crystal system | monoclinic |
| Crystal structure | |
| Deliquescence humidity 20°C | |
| Solubility (g/l) at 20°C | 1.79 g/l (16°C) |
| Density (g/cm³) | 1.83-1.85 g/cm³ |
| Molar volume | |
| Molar weight | 138.37 g/mol |
| Transparency | transparent to translucent |
| Cleavage | perfect to good |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | hardly soluble in water pH about 10 |
| Crystal Optics | |
| Refractive Indices | nx = 1.417 ny = 1.503 nz = 1.527 |
| Birefringence | Δ = 0.110 |
| Optical Orientation | negative |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
| {{{Literature}}} | |
back to Carbonate
Weblinks[edit]
- ↑ http://webmineral.com/data/Nesquehonite.shtml viewed on 09/06/2011
- ↑ http://www.mindat.org/min-2885.html viewed on 09/06/2011