AM_Co2Al4Si5O18 Formula: Co2 (Al4 Si5) O18 Name: Co2Al4Si5O18 Unit cell: 9.841 9.841 9.372 90.0 90.0 120.0 , V=786.03 Space group: P6/MCC (192)

Knorr K , Meschke M , Winkler B , Physics and Chemistry of Minerals , 26 (1999) p.521-529, Structural and magnetic properties of Co2Al4Si5O18, and Mn2Al4Si5O18 cordierite