AM_Chlorite_7 Formula: Mg2.292 Fe.255 Al.865 Si1.588 O9 H4 Name: Chlorite Unit cell: 5.237 9.078 14.0 90.0 96.64 90.0 , V=661.12 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 = 5.47 GPa