Citation: Levy, D; Barbier, J (1997). A new structural family: M10n-2 Ge3n+1 O16n with M = (Co, Mg) and (Ni, Mg). Journal of Solid State Chemistry, 130, pp. 9-19.
Formula: Co7.25 Ge5 Mg6.75 O24
Chemical name:Cobalt magnesium germanium oxide (7.25/6.75/5/24)