AM_Penroseite_1 Formula: Ni Se2 Name: Penroseite Unit cell: 5.9629 5.9629 5.9629 90.0 90.0 90.0 , V=212.02 Space group: PA3 (205)

Furuseth S , Kjekshus A , Andresen A F , Acta Chemica Scandinavica , 23 (1969) p.2325-2334, On the magnetic properties of CoSe2, NiS2, and NiSe2, Locality: synthetic