Citation: Fanfani, L.; Nunzi, A.; Zanazzi, P. F. (1972). Structure and twinning in spencerite. Mineralogical Magazine, 38, pp. 687-692.
Formula: H8 O13 P2 Zn4
List type: noninterleaving
List: 2D
Basis: (0;1;0 0;0;1)
Dimensionality: 2
Formula: O24 P4 Zn8 (O6 P Zn2)
Multiplicity: 1
Coordination sequences: