Constituent
Name
ZnO Zn oxide wurtzite
Official name
Zinc oxide
Family
covalent network solid
Class
tridimentional covalent network solid
Compound type
oxide-hydroxide
Comments
ZnO can be almost considered as an alkali salt (largely ionic bonding)
Constituent abundance in material
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0
Mole fraction
1.0
Chemical composition
Formula
w−ZnO(orβZnO
Chemical formula
ZnO
Elemental formula
Zn O
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
Zn Zinc element 1 0.5 1 constituent element main
O Oxygen element 1 0.5 1 constituent element main
Chemical bonds
  Bond Number
≥Zn−O− 4
Class
tridimensional covalent networks (11)
Type
metal homonuclear tridimensional networks (elemental) (11.02)
Phase name
w-ZnO, beta-ZnO
Phase type
crystalline
Crystal system
hexagonal
Crystal class
dihexagonal-pyramidal
Crystal class symbol
6mm (C6v)
Crystal spacegroup
P6(3)mc
Comments
the bonding in ZnO is largely ionic (Zn^{2+}–O^{2−})
Texture
polycrystalline
Molar mass
81.406 g/mol
Density
5.1 g/cm3
Refringence type
uniaxial
Refringence sign
positive
Birefringence
0.016
Refraction index nα
2.013
Refraction index nβ
2.029
Color
white
Diaphaneity
translucent to subtranslucent
Luster
submetallic