AM_Staurolite_19 Formula: O12 Si1.86 Al4.529 Fe.654 Zn.162 Mg.273 Name: Staurolite Unit cell: 7.8772 16.606 5.6568 90.0 90.087 90.0 , V=739.96 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: 106038/3, Locality: Franklin, North Carolina, USA