Citation: T. Z. Forbes; P. C. Burns (2008). Synthesis, Structure, and Infrared Spectroscopy of the First Np5+ Neptunyl Silicates, Li6(NpO2)4(H2Si2O7)(HSiO4)2(H2O)4 and K3(NpO2)3(Si2O7). Inorganic Chemistry, 47, pp. 705-712.
Formula: Li4 Np4 O27 Si4
Chemical name:Lithium neptunyl silicate tetrahydrate