Leonite
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Author: Amelie Stahlbuhk
back to Sulfate
| Leonite | |
| Mineralogical name | Leonite |
| Chemical name | |
| Trivial name | |
| Chemical formula | K2Mg(SO4)2•4H2O |
| Other forms | |
| Crystal system | monoclinic |
| Crystal structure | |
| Deliquescence humidity 20°C | |
| Solubility (g/l) at 20°C | |
| Density (g/cm³) | 2.20 g/cm3 |
| Molar volume | 166.7 cm3/mol |
| Molar weight | 366.69 g/mol |
| Transparency | |
| Cleavage | |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | |
| Crystal Optics | |
| Refractive Indices | nx=1.479 ny=1.483 nz=1.487 |
| Birefringence | Δ=0.008 |
| Optical Orientation | positive |
| Pleochroism | |
| Dispersion | appr. 90° |
| Used Literature | |
| [JCPDS:1991]Note: complied by the Joint Committee on Powder Diffraction Standards (JCPDS, Swarthmore, Pennsylvania, USA). Title: JCPDS Powder Diffraction File 2 (PDF-2) Year: 1991  [Dana:1951]Author: Dana J.D.Edition: 7 Editor: Dana E.S. Publisher: Wiley & Sons Title: Dana's System of Mineralogy Volume: 2 Year: 1951
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Weblinks
Literature
| [Dana:1951] | Dana E.S. (eds.) Dana J.D. (1951): Dana's System of Mineralogy, 7, Wiley & Sons, %address%, %pages%, %url%, %doi% | |
| [JCPDS:1991] | %author% (1991): JCPDS Powder Diffraction File 2 (PDF-2), %howpublished%, %pages% %url%, %doi% | |