AM_Erionite-Ca_1
Formula: (Si14.046 Al3.954) Ca1.22 Mg.26 K O49.2 H72.096
Name: Erionite-Ca
Unit cell: 13.264 13.264 15.067 90.0 90.0 120.0 , V=2295.65
Space group: P63/MMC (194)

Gualtieri A , Artioli G , Passaglia E , Bigi S , Viani A , Hanson J C , American Mineralogist , 83 (1998) p.590-606, Crystal structure-crystal chemistry relationships in the zeolites erionite, and offretite, Sample from Shourdo