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: Co14.86 Ge8 Mg9.14 O40
Chemical name:Cobalt magnesium germanium oxide (14.86/9.14/8/40)