AM_Chalcothallite
Formula: (Tl1.8 K.2) Cu5.51 Fe.72 Ag.12 Sb S4
Name: Chalcothallite
Unit cell: 3.827 3.827 34.28 90.0 90.0 90.0 , V=502.06
Space group: I4/MMM (139)

Makovicky E , Johan Z , Karup-Moller S , Neues Jahrbuch fur Mineralogie, Abhandlungen , 138 (1980) p.122-146, New data on bukovite, thalcusite, chalcothallite and rohaite, Locality: Ilimaussaq massif, Greenland