Citation: Cannillo, E.; Rossi, G.; Ungaretti, L. (1968). The crystal structure of macdonaldite Note: x(Si4) corrected. Atti della Accademia Nazionale dei Lincei, 45, pp. 399-414.
Formula: Ba Ca4 H24 O48.4 Si16
List type: interleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: O76 Si32 (O19 Si8)
Multiplicity: 1