AM_Hg3S2Br15Cl5 Formula: Hg6 S4 Cl Br3 Name: Hg3S2Br1.5Cl.5 Unit cell: 17.824 9.238 10.269 90.0 115.69 90.0 , V=1523.74 Space group: C12/M1 (12)

Pervukhina N V , Vasil ev V I , Magarill S A , Borisov S V , Naumov D Y , The Canadian Mineralogist , 44 (2006) p.1247-1255, Crystal chemistry of mercury sulfohalides of composition Hg3S2Hal2, (Hal: Cl,Br). II. Crystal structures of two polymorphic modifications of, Hg3S2Cl2-xBrx (x~0.5), Sample: compound I