Citation: Lucchesi, S.; Amoriello, M.; Della Giusta, A. (1998). Crystal chemistry of spinels from xenoliths of the Alban Hills volcanic region Sample: SP239h. European Journal of Mineralogy, 10, pp. 473-482.
Formula: Al1.886 Fe0.132 Mg0.958 Mn0.003 O4 Si0.005 Ti0.013 Zn0.001
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al24 Fe24 Mg24 Mn8 Ni16 O32 Si8 Ti16 Zn8 (Al3 Fe3 Mg3 Mn Ni2 O4 Si Ti2 Zn)