Citation: Locock, A. J.; Kinman, W. S.; Burns, P. C. (2005). The structure and composition of uranospathite, Al1-xVacancyx[(UO2)(PO4)]2(H2O)20+3xF1-3x, x = 0 - 0.33, a non-centrosymmetric flourine-bearing mineral of the autunite group, and of a related synthetic lower hydrate, Al0.67Vacancy0.33[(UO2)(PO4)]2(H2O)15.5. The Canadian Mineralogist, 43, pp. 989-1003.