Na6 (Si15.96 Al1.98 (Be (O H)0.4 F0.6)2 O39) (H2 O)1.56

Al_1.98Be₂F_1.2H_3.92Na₆O_41.36Si_15.96

Coda, A.Ungaretti, L.Guista, A.D.

Acta Crystallographica B (24,1968-38,1982) (1974) 30, 396-401

a=14.352Å   b=14.352Å   c=4.852Å

α=90°   β=90°   γ=120°