Citation: Gasperin, M (1987). Synthese et structure de trois niobouranates d'ions monovalents: Tl Nb~2~ U~2~ O~11.5~, K Nb U O~6~, et Rb Nb U O~6~. Journal of Solid State Chemistry, 67, pp. 219-224.
Formula: Nb2 O11.5 Tl U2
Chemical name:Thallium niobium uranium oxide (1/2/2/11.5)