AM_Na4(NH4)34Al38Si122O32_10H2O Formula: N1.7 Na.2 (Al1.9 Si6.1) O21.18 H18.8 Name: Na.4(NH4)3.4Al3.8Si12.2O32*10H2O Unit cell: 9.9596 14.2015 8.7051 90.0 124.99 90.0 , V=1008.71 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: 3, Locality: Monte Lungo, M. Berici, Vicenza, Italy