#name   Format    PbWO4
PWO     1
#
#  Elem  rho(g/cm^3)    Gas/Solid(1/0)   refl.index Birks C

3         8.28         0                   2.00     0 0 0
#       Z       A       N
        82      207.2   1
	74      183.92  1
        8       16      4

