Meridianiite
Author: Amelie Stahlbuhk
back to Sulfate
| Meridianiite | |
| Mineralogical name | Meridianiite |
| Chemical name | Magnesium sulfate undecahydrate |
| Trivial name | |
| Chemical formula | MgSO4•4H2O |
| Other forms | Kieserite MgSO4•H2O Sanderite MgSO4•2H2O |
| Crystal system | triclinic |
| Crystal structure | |
| Deliquescence humidity 20°C | |
| Solubility (g/l) at 20°C | |
| Density (g/cm³) | 1.512 g/cm³ |
| Molar volume | 210.67 cm3/mol |
| Molar weight | 138.54 g/mol |
| Transparency | |
| Cleavage | |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | |
| Crystal Optics | |
| Refractive Indices | |
| Birefringence | |
| Optical Orientation | |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
| [Peterson.etal:2006]Title: Crystal molds on Mars: Melting of a possible new mineral species to create Martian chaotic terrain Author: Peterson R. C., Wang R.  [Genceli.etal:2007]Title: Crystallization and Characterization of a New Magnesium Sulfate Hydrate MgSO4•11H2OAuthor: Genceli F. E., Lutz M., Spek A. L., Witkamp G.-J.
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General Information[edit]
The undecahydrate is stable at low temperatures in contact with a saturated magnesium sulfate solution. At temperatures above 0 °C it melts incongruently, resulting in epsomite and water. [Steiger.etal:2011a]Title: Decomposition reactions of magnesium sulfate hydrates and phase equilibria in the MgSO4-H2O and Na+-Mg2+-Cl--SO42--H2O systems with implications for Mars
Author: Steiger, Michael; Linnow, Kirsten; Ehrhardt, Dorothee; Rohde, Mandy [Peterson.etal:2006]Title: Crystal molds on Mars: Melting of a possible new mineral species to create Martian chaotic terrain
Author: Peterson R. C., Wang R. [Genceli.etal:2007]Title: Crystallization and Characterization of a New Magnesium Sulfate Hydrate MgSO4•11H2O
Author: Genceli F. E., Lutz M., Spek A. L., Witkamp G.-J.
Weblinks[edit]
Literature[edit]
| [Genceli.etal:2007] | Genceli F. E., Lutz M., Spek A. L., Witkamp G.-J. (2007): Crystallization and Characterization of a New Magnesium Sulfate Hydrate MgSO4•11H2O. In: Cryst. Growth Des., 7 (12), 2460-2466 | |
| [Peterson.etal:2006] | Peterson R. C., Wang R. (2006): Crystal molds on Mars: Melting of a possible new mineral species to create Martian chaotic terrain. In: Geology, 34 (11), 957-960 | |
| [Steiger.etal:2011a] | Steiger, Michael; Linnow, Kirsten; Ehrhardt, Dorothee; Rohde, Mandy (2011): Decomposition reactions of magnesium sulfate hydrates and phase equilibria in the MgSO4-H2O and Na+-Mg2+-Cl--SO42--H2O systems with implications for Mars. In: Geochimica et Cosmochimica Act, 75 (12), 3600-3626, 10.1016/j.gca.2011.03.038, | |