Citation: Miyawaki, R.; Nakai, I.; Nagashima, K. (1984). A refinement of the crystal structure of gadolinite. American Mineralogist, 69, pp. 948-953.
Formula: Be2 Ce0.08 Dy0.112 Er0.042 Fe0.864 Gd0.084 Nd0.14 O10 Si2 Sm0.084 Y1.3
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ce4 Dy4 Er4 Fe2 Gd4 Nd4 O20 Si4 Sm4 Y4 (Ce2 Dy2 Er2 Fe Gd2 Nd2 O10 Si2 Sm2 Y2)
Multiplicity: 1