Citation: Andreozzi, G. B.; Lucchesi, S. (2002). Intersite distribution of Fe2+ and Mg in the spinel (sensu stricto) - hercynite series by single-crystal X-ray diffraction Sample: He3a/b. American Mineralogist, 87, pp. 1113-1120.
Formula: Al1.999 Fe0.111 Mg0.89 O4
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al24 Fe8 Mg24 O32 (Al3 Fe Mg3 O4)
Multiplicity: 1