Potassium Chloride
KCl
Chemical name
Potassium Chloride
Mineral name
Sylvine
Chemical formula
KCl
Melting point [°C]
776
Crystal system
cubic
Unit cell
a [Å]:3,14
b [Å]:3,14
c [Å]:3,14
Molecular weight [g/mol]
74.551
Mohs hardness
7.2 <110>, 9.3 <100> (Knoop)
Density [g/cm3]
1.989
Cleavage
on (100)
Refractive Index
n=1.488 at 0.6 μm; n=1.454 at 10.6 μm