Ref.: Teertstra, D.K., Černý, P., and Chapman, R. (1992) Compositional heterogeneity ad alteration of pollucite from High Grade Dyke, southeastern Manitoba. Canadian Mineralogist: 30: 687-697.
Teertstra, D.K., Černý, P., and Ottolini, L. (1999) Stranger in paradise: liddicoatite from the High Grade dike pegmatite, southeastern Manitoba, Canada. European Journal of Mineralogy: 11: 227-235.
Tschernich, R. (1992): Zeolites of the World, p. 428
Li/Rb/Cs-enriched pegmatite.