AM_Sederholmite_1 Formula: Ni.99 Se1.01 Name: Sederholmite Unit cell: 3.661 3.661 5.356 90.0 90.0 120.0 , V=62.17 Space group: P63/MMC (194)

Rost E , Vestersjo E , Acta Chemica Scandinavica , 22 (1968) p.2118-2134, On the system Ni-Se-Te, Note: Phase F, sample 83, Locality: synthetic