AM_Staurolite_10 Formula: O12 Si1.91 Al4.53 Fe.768 Li.1 Mg.05 Name: Staurolite Unit cell: 7.8628 16.6128 5.65004 90.0 90.093 90.0 , V=738.02 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: 71-62R/1, Locality: Black Mountains, New Hampshire, USA