AM_Pyrrhotite_2 Formula: Fe2.747 Ni.253 S3 Name: Pyrrhotite Unit cell: 6.8973 11.954 34.521 90.0 90.003 90.0 , V=2846.27 Space group: F1D1 (9)

De Villiers J P R , Liles D C , American Mineralogist , 95 (2010) p.148-152, The crystal-structure and vacancy distribution in 6C pyrrhotite, Locality: Mponeng Mine, South Africa, Note: coordinate of S7 altered to match reported bond lengths