Citation: Chakhmouradian, A. R.; Mitchell, R. H.; Burns, P. C.; Mikhailova, Y.; Reguir, E. P. (2008). Marianoite, a new member of the cuspidine group from the Prairie Lake silicocarbonatite, Ontario Note: ordering of elements in M1 and M2 could not be determined. The Canadian Mineralogist, 46, pp. 1023-1032.