AM_Platarsite Formula: Pt.35 Rh.31 Ru.29 Ir.05 Os.01 (As2 S2) Name: Platarsite Unit cell: 5.788 5.788 5.788 90.0 90.0 90.0 , V=193.90 Space group: PA3 (205)

Szymanski J T , The Canadian Mineralogist , 17 (1979) p.117-123, The crystal structure of platarsite, Pt(As,S)2, and a comparison with, sperrylite, PtAs2