AM_Levyne-Ca_2 Formula: Ca2.56 K.56 Na.5 (Si12.426 Al5.574) O66.72 H72 Name: Levyne-Ca Unit cell: 13.0 13.0 22.676 90.0 90.0 120.0 , V=3318.82 Space group: R-3M (166)

Gatta G D , Comodi P , Zanazzi P F , Ballaran T B , American Mineralogist , 90 (2005) p.645-652, Anomalous elastic behavior and high-pressure structural evolution of zeolite levyne, Locality: Beech Creek, Grant County, Oregon, P = 3.0 GPa