AM_Pentlandite_21
Formula: (Fe5.002 Ni3.998) S8
Name: Pentlandite
Unit cell: 10.044 10.044 10.044 90.0 90.0 90.0 , V=1013.26
Space group: FM3M (225)

Tsukimura K , Nakazawa H , Endo T , Fukunaga O , Physics and Chemistry of Minerals , 19 (1992) p.203-212, Cation distribution in Pentlandites (Fe,Ni)9S8: dependence of pressure and, temperature and kinetics of the cation exchange reaction, Sample: Synthetic, Fe/(Fe+Ni) = .556, T = 523 K, P = 4 GPa, Note: structure was not refined in this study