AM_Na5(NH4)4Al44Si116O32_8H2O Formula: N2.02 Na.2 (Al2.2 Si5.8) O20.74 H20.08 Name: Na.5(NH4)4Al4.4Si11.6O32*8H2O Unit cell: 10.0122 14.1943 8.7284 90.0 125.024 90.0 , V=1015.82 Space group: P121/M1 (11)

Gualtieri A F , Acta Crystallographica, Section B , 56 (2000) p.584-593, Study of NH4+ in the zeolite phillipsite by combined synchrotron powder, diffraction and IR spectroscopy, Sample: 2, Locality: Perrier, Puy du Dome, France