Pentahydrite: Difference between revisions
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|Footnote = <ref>http://webmineral.com/data/Pentahydrite.shtml viewed on 29/07/2010</ref><ref>http://www.mindat.org/min-3153.html viewed on 29/07/2010</ref> | |Footnote = <ref>http://webmineral.com/data/Pentahydrite.shtml viewed on 29/07/2010</ref><ref>http://www.mindat.org/min-3153.html viewed on 29/07/2010</ref> | ||
|photo = <!--[[Image:"file name"|300px]]--> | |photo = <!--[[Image:"file name"|300px]]--> | ||
|mineralogical_Name = | |mineralogical_Name = Pentahydrite, Allenite | ||
|chemical_Name = Pentahydrite | |chemical_Name = Pentahydrite | ||
|Trivial_Name = | |Trivial_Name = | ||
Revision as of 12:22, 9 June 2011
| Pentahydrite[1][2] | |
| Mineralogical name | Pentahydrite, Allenite |
| Chemical name | Pentahydrite |
| Trivial name | |
| Chemical formula | MgSO4•5H2O |
| Other forms | Kieserite (MgSO4•H2O) Sanderite (MgSO4•2H2O) Starkeyite (MgSO4•4H2O) Hexahydrite (MgSO4•6H2O) Epsomite (MgSO4•7H2O) Meridianite (MgSO4•11H2O) Magnesium 12-Hydrate |
| Crystal system | {{{Crystal_System}}} |
| Crystal structure | |
| Deliquescence humidity 20°C | |
| Solubility (g/l) at 20°C | |
| Density (g/cm³) | 1,9 g/cm3 |
| Molar volume | |
| Molar weight | |
| Transparency | |
| Cleavage | |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | not stable in air |
| Crystal Optics | |
| Refractive Indices | nx = 1,482 ny = 1,492 nz = 1,493 |
| Birefringence | Δ = 0,011 |
| Optical Orientation | negative |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
| {{{Literature}}} | |
back to Sulphate
Weblinks[edit]
- ↑ http://webmineral.com/data/Pentahydrite.shtml viewed on 29/07/2010
- ↑ http://www.mindat.org/min-3153.html viewed on 29/07/2010