Citation: Weiss, Z.; Rieder, M.; Smrcok, L.; Petricek, V.; Bailey, S.W. (1993). Refinement of the crystal structure of two "protolithionites". European Journal of Mineralogy (1,1989-), 5, pp. 493-502.
Formula: Al2.13 F Fe1.92 H K0.99 O11 Si2.71
Chemical name:K.99 (Fe1.92 Al1.08) (Al1.05 Si2.71 O10) (O H F)