Citation: Alexander, V. D.; Griffen, D. T.; Martin, T. J. (1986). Crystal chemistry of some Fe- and Ti-poor dumortierites Sample: #7, BYU 12-5119, from Virgin Mtns., Nevada, USA O5y and O11x have been editted. American Mineralogist, 71, pp. 786-794.
Formula: Al6.84 B O18 Si3
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al28 B4 O72 Si12 (Al7 B O18 Si3)
Multiplicity: 1
Coordination sequences: