Citation: Kalsbeek, N.; Ronsbo, J. G. (1992). Refinement of the vinogradovite structure, positioning of Be and excess Na Note: T = 110 K. Zeitschrift fur Kristallographie, 200, pp. 237-245.
Formula: Al0.15 Be0.1 H3 Na1.27 Nb0.07 O7.219 Si1.75 Ti0.93
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al8 Be8 Nb8 O52 Si16 Ti8 (Al2 Be2 Nb2 O13 Si4 Ti2)
Multiplicity: 1