Epsomite: Difference between revisions
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|Trivial_Name =Bitter Salts, Reichardtite, Seelandite | |Trivial_Name =Bitter Salts, Reichardtite, Seelandite | ||
|chemical_Formula = MgSO<sub>4</sub>•7H<sub>2</sub>O | |chemical_Formula = MgSO<sub>4</sub>•7H<sub>2</sub>O | ||
|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]] | |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>[[Hexahydrite]] (MgSO<sub>4</sub>•6H<sub>2</sub>O)<br>[[Meridianite]] (MgSO<sup>4</sup>•11H<sub>2</sub>O)<br>[[Magnesium 12-Hydrate]] | ||
|Crystal_Class =orthorhombic | |Crystal_Class =orthorhombic | ||
|Crystal_Structure = | |Crystal_Structure = | ||
Revision as of 08:57, 7 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) Hexahydrite (MgSO4•6H2O) 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