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 = 75 C _database_code_amcsd 0004231 9.4452 9.4452 9.4452 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Uiso NiT .125 .125 .125 .97 .0006 FeT .125 .125 .125 .03 .0006 NiO .5 .5 .5 .50 .0006 FeO .5 .5 .5 .50 .0006 S .2572 .2572 .2572 .0035