AM_Zoisite_4 Formula: Ca2 Al2.938 Fe.062 Si3 O13 H Name: Zoisite Unit cell: 16.2009 5.5536 10.0336 90.0 90.0 90.0 , V=902.76 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: Zo2, X(Fe/(Fe+Al-2)) = 0.062