AM_Staurolite_12 Formula: O12 Si1.92 Al4.495 Fe.781 Li.1 Mg.056 H1.04 Name: Staurolite Unit cell: 7.8647 16.6081 5.6511 90.0 90.226 90.0 , V=738.13 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/5, Locality: Black Mountains, New Hampshire, USA