Epsomite: Difference between revisions
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{{Infobox_Salt | {{Infobox_Salt | ||
|Footnote = | |Footnote =<ref>http://webmineral.com/data/Epsomite.shtml seen on 29.072010</ref><ref>http://www.mindat.org/min-1393.html seen on 29.072010</ref> | ||
|photo = | |photo = HJS MgSO4 092503-2.jpg|300px | ||
|mineralogical_Name = | |mineralogical_Name = Epsomite | ||
|chemical_Name = | |chemical_Name = Magnesiumsulfat Heptahydrat | ||
|Trivial_Name = | |Trivial_Name =Bitter Salts, Reichardtite, Seelandite | ||
|chemical_Formula | |chemical_Formula = MgSO<sub>4</sub>•7H<sub>2</sub>O | ||
|Hydratforms = | |Hydratforms =[[Kieserite]] (MgSO<sub>4</sub>•H<sub>2</sub>O)<br>[[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>[[Meridianite]] (MgSO<sup>4</sup>•11H<sub>2</sub>O)<br>[[Magnesium 12-Hydrate]] | ||
|Crystal_Class = | |Crystal_Class =orthorhombic | ||
|Crystal_Structure = | |Crystal_Structure = | ||
|Deliqueszenzhumidity = | |Deliqueszenzhumidity =90,1 | ||
|Solubility = | |Solubility = 1,67 g/cm<sup>3</sup> | ||
|Density = | |Density = 146,8 cm<sup>3</sup>/mol | ||
|MolVolume = | |MolVolume = 246,48 g/mol | ||
|Molweight = | |Molweight = | ||
|Transparency = | |Transparency = | ||
| Line 18: | Line 18: | ||
|Crystal_Habit = | |Crystal_Habit = | ||
|Twinning = | |Twinning = | ||
|Refractive_Indices = | |Refractive_Indices = n<sub>x</sub> = 1,433<br>n<sub>y</sub> = 1,455<br>n<sub>z</sub> = 1,461 | ||
|Birefringence = | |Birefringence = Δ = 0,028 | ||
|optical_Orientation = | |optical_Orientation = biaxial negative | ||
|Pleochroism = | |Pleochroism = | ||
|Dispersion = | |Dispersion = | ||
Revision as of 15:10, 3 June 2011
| Epsomite[1][2] | |
| HJS MgSO4 092503-2.jpg | |
| Mineralogical name | Epsomite |
| Chemical name | Magnesiumsulfat Heptahydrat |
| Trivial name | Bitter Salts, Reichardtite, Seelandite |
| Chemical formula | MgSO4•7H2O |
| Other forms | Kieserite (MgSO4•H2O) Sanderite (MgSO4•2H2O) Starkeyite (MgSO4•4H2O) Pentahydrite (MgSO4•5H2O) Meridianite (MgSO4•11H2O) Magnesium 12-Hydrate |
| Crystal system | {{{Crystal_System}}} |
| Crystal structure | |
| Deliquescence humidity 20°C | 90,1 |
| Solubility (g/l) at 20°C | 1,67 g/cm3 |
| Density (g/cm³) | 146,8 cm3/mol |
| Molar volume | 246,48 g/mol |
| Molar weight | |
| Transparency | |
| Cleavage | |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | |
| Crystal Optics | |
| Refractive Indices | nx = 1,433 ny = 1,455 nz = 1,461 |
| Birefringence | Δ = 0,028 |
| Optical Orientation | biaxial negative |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
| {{{Literature}}} | |
back to Sulphate
Weblinks[edit]
- ↑ http://webmineral.com/data/Epsomite.shtml seen on 29.072010
- ↑ http://www.mindat.org/min-1393.html seen on 29.072010