AM_Erionite-K
Formula: K1.381 Na1.254 Ca.54 Mg1.116 Mn.012 (Al3.378 Si14.622) O53.466 H78
Name: Erionite-K
Unit cell: 13.22794 13.22794 15.06946 90.0 90.0 120.0 , V=2283.56
Space group: P63/MMC (194)

Ballirano P , Andreozzi G B , Dogan M , Dogan A U , American Mineralogist , 94 (2009) p.1262-1270, Crystal structure and iron topochemistry of, erionite-K from Rome, Oregon, U.S.A., Locality: Rome, Oregon, USA