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 #36 from Jaguaracu. American Mineralogist, 76, pp. 1836-1856.
Formula: Al0.48 Be2.52 Ca1.532 K Na0.048 O30 Si12 Y0.468