Iron Aluminate

FeAl2O4

Iron Aluminate - FeAl2O4
Chemical name
Iron Aluminate
Mineral name
Hercynite
Chemical formula
FeAl2O4
Melting point [°C]
1692–1767
Crystal system
isometric
Space Group
Fd3m
Unit cell
a [Å]:8,194
b [Å]:8,194
c [Å]:8,194
Molecular weight [g/mol]
173.81
Formula units
Z=8
Mohs hardness
7.5 - 8
Density [g/cm3]
4.4
Color
dark green to black
Refractive Index
n=1.80 - 1.83