AM_Staurolite Formula: Fe.741 Al4.374 Ti.037 Si1.856 Mg.196 Mn.019 O12 Name: Staurolite Unit cell: 7.8713 16.6204 5.656 90.0 90.0 90.0 , V=739.94 Space group: C12/M1 (12)

Smith J V , American Mineralogist , 53 (1968) p.1139-1155, The crystal structure of staurolite