Citation: Grice, J. D.; Ercit, T. S. (1986). The crystal structure of moydite. The Canadian Mineralogist, 24, pp. 675-678.
Formula: C H4 B O7 Sm0.1 Y0.9
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: C8 B8 O56 Sm8 Y8 (C B O7 Sm Y)
Multiplicity: 1