Schönite: Difference between revisions
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{{Infobox_Salt | {{Infobox_Salt | ||
|Footnote = | |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 = | |photo = <!-- [[Image:"file name"|300px]]--> | ||
|mineralogical_Name = | |mineralogical_Name = Schönite, Pikromerite | ||
|chemical_Name = | |chemical_Name = | ||
|Trivial_Name = | |Trivial_Name = | ||
|chemical_Formula = | |chemical_Formula = K<sub>2</sub>Mg(SO<sub>4</sub>)<sub>2</sub>•6H<sub>2</sub>O | ||
|Hydratforms = | |Hydratforms = | ||
|Crystal_Class = | |Crystal_Class = monoclinic | ||
|Crystal_Structure = | |Crystal_Structure = | ||
|Deliqueszenzhumidity = | |Deliqueszenzhumidity = | ||
|Solubility = | |Solubility = | ||
|Density = | |Density = 2,03 g/cm<sup>3</sup> | ||
|MolVolume = | |MolVolume = 198,4 cm<sup>3</sup>/mol | ||
|Molweight = | |Molweight = | ||
|Transparency = | |Transparency = | ||
| Line 18: | Line 18: | ||
|Crystal_Habit = | |Crystal_Habit = | ||
|Twinning = | |Twinning = | ||
|Refractive_Indices = | |Refractive_Indices = n<sub>x</sub> = 1,461<br> n<sub>y</sub> = 1,463<br> n<sub>z</sub> = 1,476 | ||
|Birefringence = | |Birefringence = Δ = 0,015 | ||
|optical_Orientation = | |optical_Orientation = positive | ||
|Pleochroism = | |Pleochroism = | ||
|Dispersion = | |Dispersion = | ||
Revision as of 19:51, 3 June 2011
| Schönite[1][2] | |
| Mineralogical name | Schönite, Pikromerite |
| Chemical name | |
| Trivial name | |
| Chemical formula | K2Mg(SO4)2•6H2O |
| Other forms | |
| Crystal system | {{{Crystal_System}}} |
| Crystal structure | |
| Deliquescence humidity 20°C | |
| Solubility (g/l) at 20°C | |
| Density (g/cm³) | 2,03 g/cm3 |
| Molar volume | 198,4 cm3/mol |
| Molar weight | |
| Transparency | |
| Cleavage | |
| 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 Sulphate
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