Leonite

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
{{{Literature}}}

Literature

[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).

[JCPDS:1991]

(1991): JCPDS Powder Diffraction File 2 (PDF-2).

[Dana:1951]

Dana E.S. (eds.) Dana J.D. (1951): Dana's System of Mineralogy, 7, Wiley & Sons

A phase is a physically distinctive form of matter and is characterized by having relatively uniform chemical and physical properties.