AM_Violarite
Formula: Fe Ni2 S4
Name: Violarite
Unit cell: 9.465 9.465 9.465 90.0 90.0 90.0 , V=847.93
Space group: FD-3M (227)

Vaughan D J , Craig J R , American Mineralogist , 70 (1985) p.1036-1043, The crystal chemistry of iron-nickel thiospinels, Note: structure from ICSD