Citation: Galli, E.; Alberti, A. (1969). On the crystal structure of pumpellyite. Acta Crystallographica, Section B, 25, pp. 2276-2281.
Formula: Al2.71 Ca1.9 Fe0.15 H3 Mg0.45 O14 Si2.79
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al24 Fe4 Mg4 O56 Si12 (Al6 Fe Mg O14 Si3)
Multiplicity: 1