Citation: Shen, B.; Tamada, O.; Kitamura, M.; Morimoto, N. (1986). Superstructure of laihunite-3M (_.40Fe.80Fe.80SiO4) Sample: Superstructure Fe1B-y coordinate changed by Tamada (Aug, 2001). American Mineralogist, 71, pp. 1455-1460.
Formula: Fe4.74 O12 Si3
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Fe20 O48 Si12 (Fe5 O12 Si3)
Multiplicity: 1
Coordination sequences: