AM_Staurolite_39 Formula: O12 Si1.894 Al4.473 Fe.847 Mg.191 Li.028 Zn.023 Name: Staurolite Unit cell: 7.8695 16.60759 5.6558 90.0 90.001 90.0 , V=739.18 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/FP15, Locality: Derivo, Italy