Citation: Makovicky, E.; Skinner, B. J. (1975). Studies of the sulfosalts of copper. IV. Structure and twinning of sinnerite, Cu6As4S9. American Mineralogist, 60, pp. 998-1012.
Formula: As4 Cu6 S9
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: As8 Cu12 S18 (As4 Cu6 S9)
Multiplicity: 1
Coordination sequences: