Citation: Hoskins, B. F.; Mumme, W. G.; Pryce, M. W. (1989). Holtite, (Si2.25Sb0.75)B[Al6(Al0.43 Ta0.27[]0.30)O15(O,OH)2.25]: crystal structure and crystal chemistry. Mineralogical Magazine, 53, pp. 457-463.
Formula: Al6.43 B O17.25 Sb0.75 Si2.25 Ta0.27
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al28 B4 O72 Sb12 Si12 Ta4 (Al7 B O18 Sb3 Si3 Ta)
Multiplicity: 1