Constituent
Name
Fe2O3
Official name
Maghemite
Family
covalent network solid
Class
tridimentional covalent network solid
Compound type
oxide-hydroxide
Constituent abundance in material
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0
Mole fraction
1.0
Chemical composition
Formula
$Fe^{3+}_2O_3$
Chemical formula
Fe2O3
Elemental formula
(Fe3+)2 O3
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Fe^{3+}$ Iron(III) cation element 2 0.4 1.0 constituent element main
$O$ Oxygen element 3 0.6 1.0 constituent element main
Class
tridimensional covalent networks (11)
Phase type
crystalline
Crystal system
isometric (cubic)
Crystal class
tetartoidal
Crystal class symbol
23 (T)
Crystal spacegroup
P2(1)3
Texture
polycrystalline
Molar mass
159.69 $g/mol$
Density
4.9 $g/cm^3$
Refringence type
isotropic
Refraction index $n_{\alpha}$
2.73
Color
Brown, bluish black, dark brown
Diaphaneity
opaque
Luster
metallic