AM_Staurolite_1 Formula: Fe.513 Al4.486 Co.138 Ti.032 Zn.01 Si1.864 Mg.308 Mn.01 (O12 H) Name: Staurolite Unit cell: 7.872 16.608 5.648 90.0 90.04 90.0 , V=738.41 Space group: C12/M1 (12)

Bringhurst K N , Griffen D T , American Mineralogist , 71 (1986) p.1466-1472, Staurolite-lusakite series. II. Crystal structure and optical properties of a, cobaltoan staurolite, Note: a-cell parameter corrected by Griffen, Aug 2001.