Citation: Durif, A (1971). Les ultraphosphates. Bulletin de la Societe Francaise de Mineralogie et de Cristallographie(72,1949-100,1977), 94, pp. 314-318.
Formula: Ho O14 P5
Chemical name: Holmium phyllo-pentaphosphate
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ho4 O56 P20 (Ho O14 P5)
Multiplicity: 1
Coordination sequences: