AM_Montmorillonite_3 Formula: Si3.9 Al.86 Li.08 Fe.1 Mg.14 O10 H Name: Montmorillonite Unit cell: 5.171 8.957 9.74 90.0 96.1 90.0 , V=448.57 Space group: C12/M1 (12)

Gournis D , Lappas A , Karakassides M A , Tobbens D , Moukarika A , Physics and Chemistry of Minerals , 35 (2008) p.49-58, A neutron diffraction study of alkali cation migration in montmorillonites, Sample: Li-mont-300