Citation: Hoggins, J.T.; Rendon-Diazmiron, L.E.; Steinfink, H. (1977). Crystal structure, Moessbauer, and magnetic behavior of mixed valence compounds in the Ba-Fe-S system: Ba3 (Ba1-x Alx) Fe2 S6 (S1-y (S2)y). Journal of Solid State Chemistry, 21, pp. 79-90.
Formula: Al0.4 Ba3.6 Fe2 S7.4
Chemical name:Ba3 (Ba0.6 Al0.4) Fe2 S6 (S0.6 (S2)0.4)