Kieserite: Difference between revisions
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{{Infobox_Salt | {{Infobox_Salt | ||
|Footnote = | |Footnote = <ref>http://webmineral.com/data/Kieserite.shtml viewed on 29/07/2010</ref><ref>http://www.mindat.org/min-2204.html viewed on 29/07/2010</ref> | ||
|photo = | |photo = HJS MgSO4 092503-3.jpg|300px | ||
|mineralogical_Name = | |mineralogical_Name = Kieserite | ||
|chemical_Name = | |chemical_Name = Magnesium sulphate hydrate | ||
|Trivial_Name = | |Trivial_Name = | ||
|chemical_Formula = | |chemical_Formula = Mg[SO<sub>4</sub>] • H<sub>2</sub>O | ||
|Hydratforms = | |Hydratforms = [[Sanderite]] (MgSO<sub>4</sub>•2H<sub>2</sub>O)<br> [[Starkeyite]] (MgSO<sub>4</sub>•4H<sub>2</sub>O)<br> [[Pentahydrite]] (MgSO<sub>4</sub>•5H<sub>2</sub>O)<br> [[Hexahydrite]] (MgSO<sub>4</sub>•6H<sub>2</sub>O)<br> [[Epsomite]] (MgSO<sub>4</sub>•7H<sub>2</sub>O)<br> [[Meridianite]] (MgSO<sub>4</sub>•11 H<sub>2</sub>O)<br> [[Magnesium 12-Hydrate]] | ||
|Crystal_Class = | |Crystal_Class = monoclinic prismatic | ||
|Crystal_Structure = | |Crystal_Structure = | ||
|Deliqueszenzhumidity = | |Deliqueszenzhumidity = | ||
|Solubility = | |Solubility = | ||
|Density = | |Density = 2,57 g/cm<sup>3</sup> | ||
|MolVolume = | |MolVolume = 53,85 cm<sup>3</sup>/mol | ||
|Molweight = | |Molweight = 138,9 g/mol | ||
|Transparency = | |Transparency = | ||
|Cleavage = | |Cleavage = | ||
|Crystal_Habit = | |Crystal_Habit = | ||
|Twinning = | |Twinning = | ||
|Refractive_Indices = | |Refractive_Indices = n<sub>x</sub> = 1,523-1,520<br> n<sub>y</sub> = 1,535-1,533<br> n<sub>z</sub> = 1,586-1,584 | ||
|Birefringence = | |Birefringence = Δ = 0,063-0,064 | ||
|optical_Orientation = | |optical_Orientation = biaxial positive | ||
|Pleochroism = | |Pleochroism = | ||
|Dispersion = | |Dispersion = 55° | ||
|Phase_Transition = | |Phase_Transition = | ||
|chemBehavior = | |chemBehavior = | ||
Revision as of 19:14, 3 June 2011
| Kieserite[1][2] | |
| HJS MgSO4 092503-3.jpg | |
| Mineralogical name | Kieserite |
| Chemical name | Magnesium sulphate hydrate |
| Trivial name | |
| Chemical formula | Mg[SO4] • H2O |
| Other forms | Sanderite (MgSO4•2H2O) Starkeyite (MgSO4•4H2O) Pentahydrite (MgSO4•5H2O) Hexahydrite (MgSO4•6H2O) Epsomite (MgSO4•7H2O) Meridianite (MgSO4•11 H2O) Magnesium 12-Hydrate |
| Crystal system | {{{Crystal_System}}} |
| Crystal structure | |
| Deliquescence humidity 20°C | |
| Solubility (g/l) at 20°C | |
| Density (g/cm³) | 2,57 g/cm3 |
| Molar volume | 53,85 cm3/mol |
| Molar weight | 138,9 g/mol |
| Transparency | |
| Cleavage | |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | |
| Crystal Optics | |
| Refractive Indices | nx = 1,523-1,520 ny = 1,535-1,533 nz = 1,586-1,584 |
| Birefringence | Δ = 0,063-0,064 |
| Optical Orientation | biaxial positive |
| Pleochroism | |
| Dispersion | 55° |
| Used Literature | |
| {{{Literature}}} | |
back to Sulphate
Weblinks[edit]
- ↑ http://webmineral.com/data/Kieserite.shtml viewed on 29/07/2010
- ↑ http://www.mindat.org/min-2204.html viewed on 29/07/2010