AM_Pentlandite_1 Formula: Fe3.969 Ni4.842 Co.072 S8 Name: Pentlandite Unit cell: 10.038 10.038 10.038 90.0 90.0 90.0 , V=1011.44 Space group: FM3M (225)

Rajamani V , Prewitt C T , American Mineralogist , 60 (1975) p.39-48, Thermal expansion of the pentlandite structure, Frood, at 24 deg C