AM_Marshite_4 Formula: Cu I Name: Marshite Unit cell: 4.0826 4.0826 20.077 90.0 90.0 120.0 , V=289.80 Space group: R-3M (166)

Hull S , Keen D A , Physical Review B , 50 (1994) p.5868-5885, High-pressure polymorphism of the copper(I) halides:, A neutron-diffraction study to ~10 GPa, Note: P = 3.60 GPa, Note: known as CuI-IV