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 0004230 9.4424 9.4424 9.4424 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Uiso NiT .125 .125 .125 .97 .0005 FeT .125 .125 .125 .03 .0005 NiO .5 .5 .5 .54 .0005 FeO .5 .5 .5 .46 .0005 S .2578 .2578 .2578 .0043