AM_Staurolite_45 Formula: O12 Si1.894 Al4.532 Fe.822 Mg.165 Zn.01 H.75 Name: Staurolite Unit cell: 7.8689 16.6202 5.6594 90.0 90.173 90.0 , V=740.15 Space group: C12/M1 (12)

Hawthorne F C , Ungaretti L , Oberti R , Caucia F , Callegari A , The Canadian Mineralogist , 31 (1993) p.551-582, The crystal chemistry of staurolite. I. Crystal structure and site populations, Sample Code: MAR/6-1, Locality: Ticino River, Italy