Calcium Fluoride
CaF2
Chemical name
Calcium Fluoride
Mineral name
Fluorit
Chemical formula
CaF2
Melting point [°C]
1423
Crystal system
cubic
Crystal Class
O5h
Space Group
Fm3m
Unit cell
a [Å]:5.46
b [Å]:5.46
c [Å]:5.46
Molecular weight [g/mol]
78,07
Formula units
Z=4
Frequent crystal surfaces
(100), (111)
Twinning
twinfree
Mohs hardness
4
Density [g/cm3]
3,18
Cleavage
perfect (111)
Color
colorless
Refractive Index
nd=1,4338