Thenardite: Difference between revisions
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{{Infobox_Salt | {{Infobox_Salt | ||
|Footnote = | |Footnote = <ref>http://webmineral.com/data/Thenardite.shtml viewed on 29/07/2010</ref><ref>http://www.mindat.org/min-3935.html viewed on 29/07/2010</ref> | ||
|photo = | |photo = HJS-Na2SO4-111703-02-10x.jpg|300px | ||
|mineralogical_Name = | |mineralogical_Name = Thenardite | ||
|chemical_Name = | |chemical_Name = Natrium sulphate | ||
|Trivial_Name = | |Trivial_Name = Pyrotechnite | ||
|chemical_Formula = | |chemical_Formula = Na<sub>2</sub>SO<sub>4</sub> | ||
|Hydratforms = | |Hydratforms = [[Mirabilite]] (Na<sub>2</sub>SO<sub>4</sub>•10H<sub>2</sub>O)<br>Natrium sulphate heptahydrate (Na<sub>2</sub>SO<sub>4</sub>•7H<sub>2</sub>O) | ||
|Crystal_Class = | |Crystal_Class = orthorhombic | ||
|Crystal_Structure = | |Crystal_Structure = | ||
|Deliqueszenzhumidity = | |Deliqueszenzhumidity = | ||
|Solubility = | |Solubility = | ||
|Density = | |Density = 2,689 g/cm³ | ||
|MolVolume = | |MolVolume = 53,11 cm<sup>3</sup>/mol | ||
|Molweight = | |Molweight = 142,04 g/mol | ||
|Transparency = | |Transparency = | ||
|Cleavage = | |Cleavage = | ||
|Crystal_Habit = | |Crystal_Habit = | ||
|Twinning = | |Twinning = | ||
|Refractive_Indices = | |Refractive_Indices = n<sub>x</sub> = 1,468<br> n<sub>y</sub> = 1,473<br> n<sub>z</sub> = 1,483 | ||
|Birefringence = | |Birefringence = Δ = 0,015 | ||
|optical_Orientation = | |optical_Orientation = positive | ||
|Pleochroism = | |Pleochroism = | ||
|Dispersion = | |Dispersion = | ||
|Phase_Transition = | |Phase_Transition = | ||
|chemBehavior = | |chemBehavior = | ||
|Comments = | |Comments = soluble in water and glycerin,<br> not soluble in pure alcohol | ||
}} | }} | ||
Revision as of 19:32, 3 June 2011
| Thenardite[1][2] | |
| HJS-Na2SO4-111703-02-10x.jpg | |
| Mineralogical name | Thenardite |
| Chemical name | Natrium sulphate |
| Trivial name | Pyrotechnite |
| Chemical formula | Na2SO4 |
| Other forms | Mirabilite (Na2SO4•10H2O) Natrium sulphate heptahydrate (Na2SO4•7H2O) |
| Crystal system | {{{Crystal_System}}} |
| Crystal structure | |
| Deliquescence humidity 20°C | |
| Solubility (g/l) at 20°C | |
| Density (g/cm³) | 2,689 g/cm³ |
| Molar volume | 53,11 cm3/mol |
| Molar weight | 142,04 g/mol |
| Transparency | |
| Cleavage | |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | soluble in water and glycerin, not soluble in pure alcohol |
| Crystal Optics | |
| Refractive Indices | nx = 1,468 ny = 1,473 nz = 1,483 |
| Birefringence | Δ = 0,015 |
| Optical Orientation | positive |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
| {{{Literature}}} | |
back to Sulphate
Weblinks[edit]
- ↑ http://webmineral.com/data/Thenardite.shtml viewed on 29/07/2010
- ↑ http://www.mindat.org/min-3935.html viewed on 29/07/2010