Gorgeyite: Difference between revisions

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Revision as of 15:26, 20 December 2011

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) 2.95 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
Used Literature
{{{Literature}}}


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Weblinks[edit]