AM_Phillipsite-Na Formula: Na2 K.5 (Al2.48 Si5.52) O21 H20 Name: Phillipsite-Na Unit cell: 9.965 14.252 14.252 90.0 90.0 90.0 , V=2024.09 Space group: B2MB (40)

Steinfink H , Acta Crystallographica , 15 (1962) p.644-651, The crystal structure of the zeolite, phillipsite, Locality: pelagic sediments of the Pacific Ocean