Glushinskite
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Glushinskite[1][2] | |
Mineralogical name | Glushinskite |
Chemical name | Magnesium oxalate dihydrate |
Trivial name | |
Chemical formula | Mg(C2O4)•2(H2O) |
Other forms | |
Crystal system | monoclinic |
Crystal structure | Space Group: C 2/c |
Deliquescence humidity 20°C | |
Solubility (g/l) at 20°C | |
Density (g/cm³) | 1.85 g/cm³ |
Molar volume | |
Molar weight | 148.355 g/mol |
Transparency | |
Cleavage | |
Crystal habit | |
Twinning | |
Phase transition | alpha and beta forms are known |
Chemical behavior | |
Comments | Formed by reaction between Mg-rich minerals and oxalic acid secreted by incrusting lichen. |
Crystal Optics | |
Refractive Indices | nx =1.365 ny = 1.53 nz = 1.595 |
Birefringence | Δ = 0,2300 |
Optical Orientation | biaxial (-) |
Pleochroism | |
Dispersion | r < v weak |
Used Literature | |
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