Carbon/Oxygen Mix
  he4 0.0000000E+00   c12 4.1667000E-02   o16 3.1250000E-02  ne20 0.0000000E+00
 mg24 0.0000000E+00  si28 0.0000000E+00   s32 0.0000000E+00  ar36 0.0000000E+00
 ca40 0.0000000E+00  ti44 0.0000000E+00  cr48 0.0000000E+00  fe52 0.0000000E+00
 ni56 0.0000000E+00  zn60 0.0000000E+00 
