AM_Pararammelsbergite
Formula: Ni As2
Name: Pararammelsbergite
Unit cell: 5.753 5.799 11.407 90.0 90.0 90.0 , V=380.56
Space group: PBCA (61)

Fleet M E , American Mineralogist , 57 (1972) p.1-9, The crystal structure of pararammelsbergite (NiAs2)