AM_Pentlandite_25
Formula: (Fe4.234 Ni4.766) S8
Name: Pentlandite
Unit cell: 10.08 10.08 10.08 90.0 90.0 90.0 , V=1024.19
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: Natural, Fe/(Fe+Ni) = .470, T = 473 K, P = 0 GPa, Note: structure was not refined in this study