Citation: Hawthorne, F. C.; Kimata, M.; Cerny, P.; Ball, N. A.; Rossman, G. R.; Grice, J. D. (1991). The crystal chemistry of the milarite-group minerals sample #25 from Guanajuato Note: U(1,2) of WatB/NaB changed to match symmetry constraints. American Mineralogist, 76, pp. 1836-1856.
Formula: Al0.81 Be2.19 Ca2 H3.52 K Na0.188 O30.668 Si12