K Ca0.92 Mg0.82 (Si13.52 Al4.48 O36) (H2 O)9.84

Al_4.48Ca_0.92H_19.68KMg_0.82O_45.84Si_13.52

Gard, J.A.Tait, J.M.

Acta Crystallographica B (24,1968-38,1982) (1972) 28, 825-834

a=13.291Å   b=13.291Å   c=7.582Å

α=90°   β=90°   γ=120°