Constituent
Name
Fe2O3
Official name
Maghemite
Family
covalent network solid
Class
tridimentional covalent network solid
Compound type
oxide-hydroxide
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0
Mole fraction
1.0
Formula
Fe23+O3
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
Fe3+ 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/cm3
Refringence type
isotropic
Refraction index nα
2.73
Color
Brown, bluish black, dark brown
Diaphaneity
opaque
Luster
metallic