Constituent
Name
Fe3C
Official name
Cementite
Family
metallic solid
Class
pseudometal (semi-conductor)
Compound type
non-oxide ceramic
Comments
Cementite is very close to cohenite mineral which generally few Ni and Co
Constituent abundance in material
Relevance
main - major
Arrangement
single phase
Mass fraction
0.98
Chemical composition
Formula
$Fe_3C$
Chemical formula
Fe3C
Elemental formula
C Fe3
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$C$ Carbon element 1 0.25 1.0 constituent element main
$Fe$ Iron element 3 0.75 1.0 constituent element main
Class
pseudometals (14)
Phase type
crystalline
Crystal system
orthorhombic
Crystal class
dipyramidal
Crystal class symbol
mmm (D2h)
Crystal spacegroup
Pnma
Texture
polycrystalline
Molar mass
179.546 $g/mol$
Density
7.2 - 7.65 $g/cm^3$
Diaphaneity
opaque
Luster
metallic