Citation: Pacalo, R. E. G.; Parise, J. B. (1992). Crystal structure of superhydrous B, a hydrous magnesium silicate synthesized at 1400 C and 20 GPa. American Mineralogist, 77, pp. 681-684.
Formula: H4 Mg10 O18 Si3
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: H8 Mg20 O36 Si6 (H4 Mg10 O18 Si3)
Multiplicity: 1