Pentlandite Tenailleau C, Etschmann B, Ibberson R M, Pring A American Mineralogist 91 (2006) 1442-1447 A neutron powder diffraction study of Fe and Ni distributions in synthetic pentlandite and violarite using 60Ni isotope Locality: synthetic Sample: T = 225 C _database_code_amcsd 0004227 10.2045 10.2045 10.2045 90 90 90 Fm3m atom x y z occ Uiso NiO .5 .5 .5 .50 .0110 FeO .5 .5 .5 .50 .0110 FeT .1280 .1280 .1280 .53 .0110 NiT .1280 .1280 .1280 .47 .0110 S1 .25 .25 .25 .0053 S2 .2624 0 0 .0053