Boussingaultite: Difference between revisions
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|Crystal_Structure = | |Crystal_Structure = | ||
|Deliqueszenzhumidity = | |Deliqueszenzhumidity = | ||
|Solubility = | |Solubility = 159 g/l (0°C), 1300 g/l (100°C) | ||
|Density = 1,72 g/cm<sup>3</sup> | |Density = 1,72 g/cm<sup>3</sup> | ||
|MolVolume = 209,3 cm<sup>3</sup>/mol | |MolVolume = 209,3 cm<sup>3</sup>/mol | ||
Revision as of 09:23, 7 July 2011
| Boussingaultite[1] | |
| Mineralogical name | Boussingaultite |
| Chemical name | Magnesium ammonium sulphate |
| Trivial name | |
| Chemical formula | (NH4)2Mg(SO4)2•6H2O |
| Other forms | |
| Crystal system | monoclinic |
| Crystal structure | |
| Deliquescence humidity 20°C | |
| Solubility (g/l) at 20°C | 159 g/l (0°C), 1300 g/l (100°C) |
| Density (g/cm³) | 1,72 g/cm3 |
| Molar volume | 209,3 cm3/mol |
| Molar weight | 360,63 g/mol |
| Transparency | transparent |
| Cleavage | perfect |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | |
| Crystal Optics | |
| Refractive Indices | nx = 1,472 ny = 1,473 nz = 1,479 |
| Birefringence | Δ = 0,007 |
| Optical Orientation | biaxial positive |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
| {{{Literature}}} | |
back to Sulphate
Weblinks[edit]
- ↑ http://www.mindat.org/min-743.html viewed on 29/07/2010