AM_Staurolite_18 Formula: O12 Si1.87 Al4.507 Fe.643 Zn.16 Mg.285 Name: Staurolite Unit cell: 7.8782 16.6056 5.6568 90.0 90.084 90.0 , V=740.03 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: 106038/1, Locality: Franklin, North Carolina, USA