Anhydrite: Difference between revisions

Latest revision as of 16:48, 14 February 2015

Anhydrite

Mineralogical name	Anhydrite
Chemical name	Calcium sulfate
Trivial name
Chemical formula	CaSO₄
Other forms	CaSO₄•0.5H₂O (Bassanite) CaSO₄•2H₂O (Gypsum)
Crystal system	orthorhombic
Crystal structure
Deliquescence humidity 20°C
Solubility (g/l) at 20°C
Density (g/cm³)	2.96 g/cm³
Molar volume	45.94 cm³/mol
Molar weight	136.14 g/mol
Transparency
Cleavage
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments
Crystal Optics
Refractive Indices	n_x=1.5698 n_y=1.5754 n_z=1.6136
Birefringence	Δ=0.0438
Optical Orientation	positive
Pleochroism
Dispersion	43.7°
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. [Dana:1951]Title: Dana's System of Mineralogy Author: Dana J.D.

[Dana:1951]	Dana E.S. (eds.) Dana J.D. (1951): Dana's System of Mineralogy, 7, Wiley & Sons
[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 ()

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 |chemBehavior         =
 |Comments             =
-|Literature           = <bib id="Robie.etal:1978"/> <bibprint citation="Dana:1951"/>
+|Literature           = <bib id="Robie.etal:1978"/> <bib id="Dana:1951"/>
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-[[Category:Stahlbuhk,Amelie]][[Category:Anhydrite]] [[Category:Sulfate]] [[Category:Sulphate]] [[Category:Salt]] [[Category:R-MSteiger]] [[Category:InProgress]]
+[[Category:Stahlbuhk,Amelie]][[Category:Anhydrite]] [[Category:Sulfate]] [[Category:Sulphate]] [[Category:Salt]] [[Category:R-MSteiger]] [[Category:InProgress]][[Category:List]]