AM_Staurolite_24 Formula: O12 Si1.946 Al4.492 Fe.71 Li.255 Mg.082 Name: Staurolite Unit cell: 7.8707 16.5875 5.6551 90.0 90.025 90.0 , V=738.30 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: 6-3/1, Locality: East Winthrop, Maine, USA