AM_Sinnerite Formula: As4 Cu6 S9 Name: Sinnerite Unit cell: 9.064 9.83 9.078 90.0 109.5 107.8 , V=721.24 Space group: P1 (1)

Makovicky E , Skinner B J , American Mineralogist , 60 (1975) p.998-1012, Studies of the sulfosalts of copper. IV. Structure and twinning of sinnerite,, Cu6As4S9