Citation: Grice, J. D.; Burns, P. C.; Hawthorne, F. C. (1994). Determination of the megastructures of the borate polymorphs pringleite and ruitenbergite. The Canadian Mineralogist, 32, pp. 1-14.
Formula: B26 Ca9 Cl4 H50 O71
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: B52 O116 (B13 O29)
Multiplicity: 1