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 not soluble 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
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