Kieserite: Difference between revisions
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|MolVolume = 53,85 cm<sup>3</sup>/mol | |MolVolume = 53,85 cm<sup>3</sup>/mol | ||
|Molweight = 138,9 g/mol | |Molweight = 138,9 g/mol | ||
|Transparency = | |Transparency = translucent | ||
|Cleavage = | |Cleavage = perfect | ||
|Crystal_Habit = | |Crystal_Habit = | ||
|Twinning = | |Twinning = | ||
Revision as of 12:24, 9 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 | translucent |
| Cleavage | perfect |
| 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