Arcanite: Difference between revisions

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{{Infobox_Salt
{{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> <ref><bib id="Robie.etal:1978"></ref>
|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]]-->
|photo                =<!-- [[Image:"file name"|300px]]-->
|mineralogical_Name  = Arcanite
|mineralogical_Name  = Arcanite
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|chemBehavior        =
|chemBehavior        =
|Comments            =
|Comments            =
|Literature = <bib id="Robie.etal:1978"/>
}}
}}



Revision as of 20:44, 13 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.
Link to Google Scholar


back to Sulfate

Weblinks[edit]


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 ()Link to Google Scholar