Constituent
Name
Gd2O3
Official name
Gadolinium(III) oxide
Family
ionic solid
Class
alkali salt
Compound type
oxide
Comments
the others polymorphes are monoclinic (>1200°C) and trigonal (>2100°C)
Constituent abundance in material
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0
Mole fraction
1.0
Chemical composition
Formula
$Gd_2O_3$
Chemical formula
Gd2O3
Elemental formula
(Gd3+)2 (O2-)3
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Gd^{3+}$ Gadolinium cation element 2 0.4 1 constituent cation main
$O^{2-}$ Oxide anion element 3 0.6 1 constituent anion main
Chemical bonds
  Bond Number
$\cdot (\cdot) Gd^{3+} \cdot O^{2-}-$ 6
Class
alkali salts (06)
Type
simple alkali salts (06.01)
Phase name
cubic-$Gd_2O_3$
Phase type
crystalline
Crystal system
monoclinic
Crystal class
diploidal
Crystal class symbol
m-3 (Th)
Crystal spacegroup
Ia-3
Texture
polycrystalline
Molar mass
362.5 $g/mol$
Density
7.07 $g/cm^3$
Refringence type
biaxial
Color
colorless, white
Diaphaneity
transparent to translucent