Erionite-K

Al_3.378Ca_0.54H₇₈K_1.381Mg_1.116Mn_0.012Na_1.254O_53.466Si_14.622

Ballirano, P.Andreozzi, G. B.Dogan, M.Dogan, A. U.

American Mineralogist (2009) 94, 1262-1270

a=13.22794Å   b=13.22794Å   c=15.06946Å

α=90°   β=90°   γ=120°