Cohenite
Lipson H, Petch N J
The Journal of the Iron and Steel Institute (London) 142 (1940) 95-103
The crystal structure of cementite, Fe3C
Locality: synthetic
_database_code_amcsd 0019095
4.5144 5.0787 6.7297 90 90 90 Pbnm
atom    x    y    z
Fe1  .333 .183 .065
Fe2  .167 .040  .25
C     .47  .14  .25