Nesquehonite: Difference between revisions
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|chemical_Formula =MgCO<sub>3</sub>•3H<sub>2</sub>O | |chemical_Formula =MgCO<sub>3</sub>•3H<sub>2</sub>O | ||
|Hydratforms = | |Hydratforms = | ||
| | |Crystal_System =monoclinic | ||
|Crystal_Structure = | |||
|Deliqueszenzhumidity = | |Deliqueszenzhumidity = | ||
|Solubility = | |Solubility =1.79 g/l (16°C) | ||
|Density =1 | |Density =1.83-1.85 g/cm³ | ||
|MolVolume = | |MolVolume = | ||
|Molweight =138 | |Molweight =138.37 g/mol | ||
|Transparency =transparent to translucent | |Transparency =transparent to translucent | ||
|Cleavage =perfect to good | |Cleavage =perfect to good | ||
|Crystal_Habit = | |Crystal_Habit = | ||
|Twinning = | |Twinning = | ||
|Refractive_Indices =n<sub>x</sub> = 1 | |Refractive_Indices =n<sub>x</sub> = 1.417<br>n<sub>y </sub>= 1.503<br>n<sub>z</sub> = 1.527 | ||
|Birefringence =Δ = 0 | |Birefringence =Δ = 0.110 | ||
|optical_Orientation =negative | |optical_Orientation =negative | ||
|Pleochroism = | |Pleochroism = | ||
| Line 24: | Line 25: | ||
|Phase_Transition = | |Phase_Transition = | ||
|chemBehavior = | |chemBehavior = | ||
|Comments = | |Comments =hardly soluble in water<br>pH about 10 | ||
|Literature = | |||
}} | }} | ||
| Line 32: | Line 34: | ||
<references/> | <references/> | ||
[[Category:Nesquehonite]][[Category:Carbonate]][[Category:Salt]][[Category:InProgress]] | ==Literature== | ||
[[Category:Nesquehonite]][[Category:Carbonate]][[Category:Salt]][[Category:InProgress]][[Category:List]] | |||
Latest revision as of 17:35, 15 February 2015
| 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 | |
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