AM_Heterogenite_2 Formula: Co O2 D Name: Heterogenite Unit cell: 2.854 2.854 13.354 90.0 90.0 120.0 , V=94.20 Space group: R-3M (166)

Delaplane R G , Ibers J A , Ferraro J R , Rush J J , Journal of Chemical Physics , 50 (1969) p.1920-1927, Diffraction and spectroscopic studies of the cobaltic acid system HCoO2 - DCoO2, Note: Neutron study, Note: polytype known as Heterogenite-3R