AM_Staurolite_29 Formula: O12 Si1.89 Al4.478 Fe.829 Mg.268 Li.025 Zn.03 Name: Staurolite Unit cell: 7.869 16.6142 5.6585 90.0 90.07 90.0 , V=739.78 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: HP1/2, Locality: Pizzo Forno, Switzerland