Sylvite

Sylvite
Mineralogical name	Sylvite, Hövelite
Chemical name	Potassium chloride
Trivial name
Chemical formula	KCl
Other forms
Crystal system	cubic
Crystal structure
Deliquescence humidity 20°C	86.8% (10°C), 85.1% (20°C), 83.6% (30°C)
Solubility (g/l) at 20°C	344 g/l
Density (g/cm³)	1.984 g/cm3
Molar volume	37.52 cm3/mol
Molar weight	74.56 g/mol
Transparency	transparent to translucent
Cleavage	perfect
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments
Crystal Optics
Refractive Indices	n=1.490
Birefringence
Optical Orientation	isotropic
Pleochroism
Dispersion
Used Literature
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A phase is a physically distinctive form of matter and is characterized by having relatively uniform chemical and physical properties.