Whewellite

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Whewellite[1][2]
Mineralogical name Whewellite
Chemical name
Trivial name
Chemical formula Ca(C2O4)•H2O
Other forms
Crystal system monoclinic
Crystal structure
Deliquescence humidity 20°C
Solubility (g/l) at 20°C
Density (g/cm³) 2.21 g/cm³
Molar volume
Molar weight 146.12 g/mol
Transparency transparent to translucent
Cleavage very good
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments insoluble in water
Crystal Optics
Refractive Indices nx = 1.491
ny = 1.555
nz = 1.650
Birefringence Δ = 0.159
Optical Orientation
Pleochroism
Dispersion
Used Literature



Weblinks

  1. http://webmineral.com/data/Whewellite.shtml viewed on 09/06/2011
  2. http://www.mindat.org/min-4276.html viewed on 09/06/2011

Literature

There were no citations found in the article.