Solid phase
Official name
Cobalt iron oxide
Secondary names
Cobalt ferrite; Cobalt diiron tetraoxide; Cobalt ferrate; Cobalt iron spinel; cobalt(2+);iron(3+);oxygen(2-)
CAS number
12052-28-7
Family
ionic solid
Class
tridimentional covalent network solid
Compound type
oxide-hydroxide
Formula
$CoFe_2O_4$
Chemical formula
CoFe2O4
Elemental formula
Co Fe2 O4
Isotope mixture type
terrestrial abundance
14.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Co$ Cobalt element 1 0.14285714285714285 1.0 constituent element main
$Fe$ Iron element 2 0.2857142857142857 1.0 constituent element main
$O$ Oxygen element 4 0.5714285714285714 1.0 constituent element main
Composition comments
structural formula: [O-2].[O-2].[O-2].[O-2].[Fe+3].[Fe+3].[Co+2]
Class
tridimensional covalent networks (11)
Type
two non-metal (or one metalloid and one non-metal) atoms tridimensional networks (11.03)
Phase type
crystalline
Molar mass
234.619 $g/mol$
State NTP
solid