Citation: Evans, H. T.; Clark, J. R. (1981). The crystal structure of bartonite, a potassium iron sulfide, and its relationship to pentlandite and djerfisherite. American Mineralogist, 66, pp. 376-384.
Formula: Fe6.789 K1.893 S8.975
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Fe48 S52 (Fe12 S13)
Multiplicity: 1
Coordination sequences: