Citation: Leclaire, A; Borel, M-M; Mezaoui, D; Rebbah, H; Raveau, B (1996). Introduction of tungsten in the niobium phosphate bronzes: the monophosphate K3.75 Nb8-x Wx O14 (P O4)4 (P0.5 Nb0.5 O4). Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences,Ser. II (1994-), 323, pp. 679-685.
Formula: K3.73 Nb8.41 O34 P4.47 W0.12
Chemical name:Potassium niobium tungsten phosphorus phosphate(V) oxide(3.73/8.41/0.12/0.47/4/18)