AM_Chlorite_4 Formula: Mg2.292 Fe.255 Al.865 Si1.588 O9 H4 Name: Chlorite Unit cell: 5.293 9.168 14.19 90.0 96.79 90.0 , V=683.76 Space group: C12/M1 (12)

Zanazzi P F , Montagnoli M , Nazzareni S , Comodi P , American Mineralogist , 92 (2007) p.655-661, Structural effects of pressure on monoclinic chlorite: a single-crystal study, Locality: Alpe Raguzzolo, Val Malenco, Italy, Sample: P = 2.28 GPa