Gorgeyite
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Gorgeyite[1][2] | |
Mineralogical name | Gorgeyite, Görgeyite, Mikheevite |
Chemical name | |
Trivial name | |
Chemical formula | K2Ca5(SO4)6•H2O |
Other forms | |
Crystal system | monoclinic |
Crystal structure | |
Deliquescence humidity 20°C | |
Solubility (g/l) at 20°C | |
Density (g/cm³) | 2.87 g/cm3 |
Molar volume | 304 cm3/mol |
Molar weight | 872.98 g/mol |
Transparency | |
Cleavage | |
Crystal habit | |
Twinning | |
Phase transition | |
Chemical behavior | |
Comments | |
Crystal Optics | |
Refractive Indices | nx= 1.560 ny = 1.569 nz = 1.584 |
Birefringence | Δ = 0.024 |
Optical Orientation | positive |
Pleochroism | |
Dispersion | 79° |
Used Literature | |
[Steiger.etal:2000]Author: Steiger, Michael; Beyer, Roland; Dorn, Joachim; Zeunert, Anke Booktitle: An Expert Chemical Model for Determining the Environmental Conditions Needed to Prevent Salt Damage in Porous Materials Editor: Price, Clifford A. Pages: 19-44 Publisher: Archetype Publications Ltd Title: Data compliation and experimantal determinations Year: 2000 ![]() Edition: 7 Editor: Dana E.S. Publisher: Wiley & Sons Title: Dana's System of Mineralogy Volume: 2 Year: 1951 ![]() |
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Weblinks
- ↑ http://webmineral.com/data/Gorgeyite.shtml viewed on 29/07/2010
- ↑ http://www.mindat.org/min-1748.html viewed on 29/07/2010
Literature
[Dana:1951] | Dana E.S. (eds.) Dana J.D. (1951): Dana's System of Mineralogy, 7, Wiley & Sons, %address%, %pages%, %url%, %doi% | ![]() |
[Steiger.etal:2000] | Steiger, Michael; Beyer, Roland; Dorn, Joachim; Zeunert, Anke (2000): Data compliation and experimantal determinations. In: Price, Clifford A. (eds.): An Expert Chemical Model for Determining the Environmental Conditions Needed to Prevent Salt Damage in Porous Materials, Archetype Publications Ltd, 19-44, %url%, %doi% | ![]() |