AM_Radtkeite
Formula: Hg3 S2 I Cl
Name: Radtkeite
Unit cell: 16.827 9.117 13.165 90.0 130.17 90.0 , V=1543.30
Space group: C12/M1 (12)

Pervukhina N V , Vasil ev V I , Naumov D Y , Borisov S V , Magarill S A , The Canadian Mineralogist , 42 (2004) p.87-94, The crystal structure of synthetic radtkeite, Hg3S2ClI