#name   Format    Steel
Steel   2
#
#  Elem  rho(g/cm^3)    Gas/Solid(1/0)   refl.index Birks C

3         7.8                  0          0     0 0 0
#       Z       A       N
        26      55.845  74
        28      58.693   8
        24      51.996  18
#  <Z/A>   I[eV]   a       k      x0    x1     Cbar  delta0
 0.4677  -100.0 -100.0  -100.0 -100.0 -100.0 -100.0 -100.0
