Arcanite: Difference between revisions
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[[Category:Arcanite]] | {{Infobox_Salt | ||
|Footnote = <ref>http://webmineral.com/data/Arcanite.shtml viewed on 20/07/2010</ref><ref>http://www.mindat.org/min-314.html viewed on 20/07/2010</ref> | |||
|photo =<!-- [[Image:"file name"|300px]]--> | |||
|mineralogical_Name = Arcanite | |||
|chemical_Name = Potassium sulfate | |||
|Trivial_Name = Sulfate of Potash | |||
|chemical_Formula = K<sub>2</sub>SO<sub>4</sub> | |||
|Hydratforms = | |||
|Crystal_System = orthorhombic | |||
|Crystal_Structure = | |||
|Deliqueszenzhumidity = 98.2% (10°C), 97.6% (20°C), 97% (30°C) | |||
|Solubility = 111.5 g/l | |||
|Density = 2.660 g/cm<sup>3</sup> | |||
|MolVolume = 65.5 cm<sup>3</sup>/mol | |||
|Molweight = 174.26 g/mol | |||
|Transparency = | |||
|Cleavage = destinct to good | |||
|Crystal_Habit = | |||
|Twinning = | |||
|Refractive_Indices = n<sub>x</sub> = 1.494<br> n<sub>y</sub> = 1.495<br> n<sub>z</sub> = 1.497 | |||
|Birefringence = Δ = 0.003 | |||
|optical_Orientation = positive | |||
|Pleochroism = | |||
|Dispersion = | |||
|Phase_Transition = | |||
|chemBehavior = | |||
|Comments = | |||
|Literature = <bib id="Robie.etal:1978"/> | |||
}} | |||
back to [[Sulfate]] | |||
==Weblinks== | |||
<references/> | |||
== Literature == | |||
<biblist/> | |||
[[Category:Arcanite]][[Category:Salt]][[Category:editing]][[Category:Sulfate]] [[Category:Sulphate]][[Category:List]] | |||
Latest revision as of 16:49, 14 February 2015
| Arcanite[1][2] | |
| Mineralogical name | Arcanite |
| Chemical name | Potassium sulfate |
| Trivial name | Sulfate of Potash |
| Chemical formula | K2SO4 |
| Other forms | |
| Crystal system | orthorhombic |
| Crystal structure | |
| Deliquescence humidity 20°C | 98.2% (10°C), 97.6% (20°C), 97% (30°C) |
| Solubility (g/l) at 20°C | 111.5 g/l |
| Density (g/cm³) | 2.660 g/cm3 |
| Molar volume | 65.5 cm3/mol |
| Molar weight | 174.26 g/mol |
| Transparency | |
| Cleavage | destinct to good |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | |
| Crystal Optics | |
| Refractive Indices | nx = 1.494 ny = 1.495 nz = 1.497 |
| Birefringence | Δ = 0.003 |
| Optical Orientation | positive |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
| [Robie.etal:1978]Title: Thermodynamic properties of minerals and related substances at 298.15 K and 1 bar pressure and higher temperatures Author: Robie R.A., Hemingway B.S.; Fisher J.A. 
| |
back to Sulfate
Weblinks[edit]
- ↑ http://webmineral.com/data/Arcanite.shtml viewed on 20/07/2010
- ↑ http://www.mindat.org/min-314.html viewed on 20/07/2010
Literature[edit]
| [Robie.etal:1978] | Robie R.A., Hemingway B.S.; Fisher J.A. (1978): Thermodynamic properties of minerals and related substances at 298.15 K and 1 bar pressure and higher temperatures. In: U.S. Geol. Surv. Bull, 1452 () | |