AM_Cordierite_45 Formula: Mg2 Al4 Si5 O18 Name: Cordierite Unit cell: 17.047 9.7315 9.3463 90.0 90.0 90.0 , V=1550.48 Space group: CCCM (66)

Schwartz K B , Leong D B , McConville R L , Physics and Chemistry of Minerals , 20 (1994) p.563-574, Structural chemistry of synthetic cordierite: evidence for solid solutions, and disordered compositional domains in Bi-flux-grown Mg-cordierites, Sample: Crystallized from glass at 1200 degrees C for 350 hours, Note: tetrahedral site occupancies are assumed, not refined