Citation: Moore, P. B.; Araki, T. (1978). Dumortierite, Si3B[Al6.75[]0.25O17.25(OH)0.75]: a detailed structure analysis. Neues Jahrbuch fur Mineralogie, Abhandlungen, 132, pp. 231-241.
Formula: Al6.75 B H0.75 O18 Si3
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al28 B4 O84 Si12 (Al7 B O21 Si3)
Multiplicity: 1