Schönite: Difference between revisions
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|Footnote = <ref>http://webmineral.com/data/Picromerite.shtml viewed on 29/07/2010</ref><ref>http://www.mindat.org/min-3206.html viewed on 29/07/2010</ref> | |Footnote = <ref>http://webmineral.com/data/Picromerite.shtml viewed on 29/07/2010</ref><ref>http://www.mindat.org/min-3206.html viewed on 29/07/2010</ref> | ||
|photo = <!-- [[Image:"file name"|300px]]--> | |photo = <!-- [[Image:"file name"|300px]]--> | ||
|mineralogical_Name = | |mineralogical_Name = Schoenite, Picromerite | ||
|chemical_Name = | |chemical_Name =Potassium magnesium sulfate hexahydrate | ||
|Trivial_Name = | |Trivial_Name = | ||
|chemical_Formula = K<sub>2</sub>Mg(SO<sub>4</sub>)<sub>2</sub>•6H<sub>2</sub>O | |chemical_Formula = K<sub>2</sub>Mg(SO<sub>4</sub>)<sub>2</sub>•6H<sub>2</sub>O | ||
Revision as of 13:17, 29 January 2015
| Schönite[1][2] | |
| Mineralogical name | Schoenite, Picromerite |
| Chemical name | Potassium magnesium sulfate hexahydrate |
| Trivial name | |
| Chemical formula | K2Mg(SO4)2•6H2O |
| Other forms | |
| Crystal system | monoclinic |
| Crystal structure | |
| Deliquescence humidity 20°C | |
| Solubility (g/l) at 20°C | 250 g/l |
| Density (g/cm³) | 2.15 g/cm3 |
| Molar volume | 198.4 cm3/mol |
| Molar weight | 402.73 g/mol |
| Transparency | transparent |
| Cleavage | perfect |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | |
| Crystal Optics | |
| Refractive Indices | nx = 1.461 ny = 1.463 nz = 1.476 |
| Birefringence | Δ = 0.015 |
| Optical Orientation | positive |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
| {{{Literature}}} | |
back to Sulfate
Weblinks[edit]
- ↑ http://webmineral.com/data/Picromerite.shtml viewed on 29/07/2010
- ↑ http://www.mindat.org/min-3206.html viewed on 29/07/2010