Citation: Leclaire, A.; Guerioune, M.; Borel, M. M.; Grandin, A.; Raveau, B. (1992). Insertion of potassium in the \a-K~4~Nb~8~P~5~O~34~ structure: the niobium phosphates \a-K~5~Nb~8-x~M~x~P~5~O~34~. European Journal of Solid State and Inorganic Chemistry, 29, pp. 473-483.
Formula: Al0.8 K5 Nb7.2 O34 P5
Chemical name:Potassium niobium aluminium phosphate *