AM_Staurolite_49 Formula: O12 Si1.992 Al4.474 Mg.047 Zn.613 Li.128 Fe.088 Name: Staurolite Unit cell: 7.8533 16.5344 5.6387 90.0 90.0 90.0 , V=732.18 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: BARR888, Locality: Barrhorn, Switzerland