Violarite 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 = 25 C _database_code_amcsd 0004235 9.4498 9.4498 9.4498 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Uiso NiT .125 .125 .125 .93 .0067 FeT .125 .125 .125 .07 .0067 FeO .5 .5 .5 .53 .0067 NiO .5 .5 .5 .47 .0067 S .2581 .2581 .2581 .0043