Citation: Ghose, S.; Wan, C.; Ulbrich, H. H. (1976). Structural chemistry of borosilicates. I. Garrelsite, NaBa3Si2B7O16(OH)4, a silicoborate with the pentaborate [B5O12]9- polyanion. Acta Crystallographica, Section B, 32, pp. 824-832.
Formula: B7 Ba3 H4 Na O20 Si2
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: B28 O72 Si8 (B7 O18 Si2)
Multiplicity: 1
Coordination sequences: