Citation: Hawthorne, F. C. (1988). Sigloite: The oxidation mechanism in [M2(PO4)2(OH)2(H21O)2] structures. Mineralogy and Petrology, 38, pp. 201-211.
Formula: Al Fe0.5 H13.5 O9 P
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al2 Fe2 H4 O20 P2 (Al Fe H2 O10 P)
Multiplicity: 1