Citation: Yakubovich, O. V.; Simonov, M. A.; Voloshin, A. V.; Pakhomovsky, Y. A. (1986). Crystal structure of keivite Yb2[Si2O7]. Soviet Physics Doklady, 31, pp. 930-932.
Formula: Dy0.04 Er0.16 Ho0.02 Lu0.22 O7 Si2 Tm0.08 Y0.06 Yb1.42
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Dy4 Er4 Ho4 Lu4 O14 Si4 Tm4 Y4 Yb4 (Dy2 Er2 Ho2 Lu2 O7 Si2 Tm2 Y2 Yb2)
Multiplicity: 1