Citation: Clark, J.R.; Ross, M.; Appleman, D.E. (1971). Crystal chemistry of a lunar pigeonite. American Mineralogist, 56, pp. 888-906.
Formula: Al0.06 Ca0.16 Fe0.72 Mg1.05 O6 Si1.98 Ti0.03
Chemical name: (Mg1.05 Ca0.16 Fe0.72 Al0.04 Ti0.03) ((Si1.98 Al.02) O6)
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al12 Ca4 Fe8 Mg8 O24 Si8 Ti4 (Al3 Ca Fe2 Mg2 O6 Si2 Ti)
Multiplicity: 1