AM_Zoisite_6 Formula: Ca2 Al2.884 Fe.116 Si3 O13 H Name: Zoisite Unit cell: 16.1964 5.558 10.04 90.0 90.0 90.0 , V=903.80 Space group: PNMA (62)

Liebscher A , Gottschalk M , Franz G , American Mineralogist , 87 (2002) p.909-921, The substitution Fe-Al and the isosymmetric displacive phase transition, in synthetic zoisite: A powder X-ray and infrared spectroscopic study, Sample: Zo5, X(Fe/(Fe+Al-2)) = 0.116