AM_Natrolite-NH4 exchanged Formula: Si3 Al2 O10 N2 H8 Name: Natrolite-NH4 exchanged Unit cell: 17.899 18.39 6.529 90.0 90.0 90.0 , V=2149.10 Space group: C1121 (1)

Stuckenschmidt E , Kassner D , Joswig W , Baur W H , European Journal of Mineralogy , 4 (1992) p.1229-1240, Flexibility and distortion of the collapsible framework, of NAT topology: the crystal structure of NH4-exchanged natrolite