Citation: Yakbovich, O. V.; Steele, I. M. (2009). The crystal structure of vyuntspakhite: a redetermination. Crystallography Reports, 54, pp. 822-830.
Formula: Al2 H5 O18 Si3.882 Tm0.935 Y2.115
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al8 H20 O72 Si16 Tm12 Y12 (Al2 H5 O18 Si4 Tm3 Y3)
Multiplicity: 1