Carnallite

Author: Amelie Stahlbuhk
back to Chloride

Carnallite
Mineralogical name	Carnallite
Chemical name	Potassium magnesium trichloride hexahydrate
Trivial name
Chemical formula	KMgCl3•6H2O
Other forms
Crystal system
Crystal structure
Deliquescence humidity 20°C
Solubility (g/l) at 20°C
Density (g/cm³)	1.60 g/cm³
Molar volume	173.7 cm3/mol
Molar weight	277.85 g/mol
Transparency
Cleavage
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments
Crystal Optics
Refractive Indices	nx=1.466 ny=1.475 nz=1.949
Birefringence
Optical Orientation
Pleochroism
Dispersion	66°
Used Literature
[JCPDS:1991]Title: JCPDS Powder Diffraction File 2 (PDF-2) [Dana:1951]Title: Dana's System of Mineralogy Author: Dana J.D.

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).

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