Leonite: Difference between revisions
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[[Category:Stahlbuhk,Amelie]][[Category:Leonite]] [[Category:Sulfate]] [[Category:Sulphate]] [[Category:Salt]] [[Category:R-MSteiger]] [[Category:InProgress]] | [[Category:Stahlbuhk,Amelie]][[Category:Leonite]] [[Category:Sulfate]] [[Category:Sulphate]] [[Category:Salt]] [[Category:R-MSteiger]] [[Category:InProgress]][[Category:List]] | ||
Latest revision as of 21:42, 15 February 2015
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]Title: JCPDS Powder Diffraction File 2 (PDF-2) [Dana:1951]Title: Dana's System of MineralogyAuthor: Dana J.D.
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Weblinks[edit]
Literature[edit]
| [Dana:1951] | Dana E.S. (eds.) Dana J.D. (1951): Dana's System of Mineralogy, 7, Wiley & Sons | |
| [JCPDS:1991] | (1991): JCPDS Powder Diffraction File 2 (PDF-2). | |