Citation: Daniels, P.; Wunder, B. (1996). Al3Si2O7(OH)3, phase Pi (formerly piezotite): Crystal structure of a synthetic high-pressure silicate rediscovered. European Journal of Mineralogy, 8, pp. 1283-1292.
Formula: Al3 H3 O10 Si2
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al6 H6 O20 Si4 (Al3 H3 O10 Si2)
Multiplicity: 1