Magnesite
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| Magnesite[1][2] | |
| Mineralogical name | Magnesite |
| Chemical name | Magnesium carbonate |
| Trivial name | |
| Chemical formula | MgCO3 |
| Other forms | |
| Crystal system | trigonal |
| Crystal structure | |
| Deliquescence humidity 20°C | |
| Solubility (g/l) at 20°C | 0.106 g/l |
| Density (g/cm³) | 3.037 g/cm³ |
| Molar volume | |
| Molar weight | 84.33 g/mol |
| Transparency | transparent to opaque |
| Cleavage | perfect |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | very slowly soluble in 2M HCl |
| Crystal Optics | |
| Refractive Indices | no = 1.700-1.719 ne = 1.509-1.527 |
| Birefringence | Δ = 0.191-0.199 |
| Optical Orientation | perfect |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
| {{{Literature}}} | |
back to Carbonate
Weblinks[edit]
- ↑ http://webmineral.com/data/Magnesite.shtml viewed on 09/06/2011
- ↑ http://www.mindat.org/min-2482.html viewed on 09/06/2011