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 |