Citation: Hawthorne, F. C.; Ungaretti, L.; Oberti, R.; Caucia, F.; Callegari, A. (1993). The crystal chemistry of staurolite. I. Crystal structure and site populations Sample Code: PIO/13 Locality: Brazil. The Canadian Mineralogist, 31, pp. 551-582.
Formula: Al4.495 Fe0.859 H0.75 Li0.023 Mg0.221 O12 Si1.87 Zn0.02
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al28 Fe24 H8 Li4 Mg24 O48 Si8 Zn4 (Al7 Fe6 H2 Li Mg6 O12 Si2 Zn)
Multiplicity: 1