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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