Citation: Rumanova, I. M.; Iorysh, Z. I.; Belov, N. V. (1977). Crystal structure of triclinic chilgardite Ca2[B5O9]Cl*H2O = Ca2[B3+-B2deltaO9]Cl*H2O. Soviet Physics Doklady, 22, pp. 460-462.
Formula: B5 Ca2 Cl H2 O10
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: B5 O9 (B5 O9)
Multiplicity: 1
Coordination sequences: