AM_Natrolite_6
Formula: (Li1.66 Na.34) Si3 Al2 O12 H4
Name: Natrolite
Unit cell: 17.678 18.509 6.488 90.0 90.0 90.0 , V=2122.89
Space group: FDD2 (43)

Baur W H , Kassner D , Kim C , Sieber N H W , European Journal of Mineralogy , 2 (1990) p.761-769, Flexibility and distortion of the framework of natrolite: crystal, structures of ion-exchanged natrolites, Sample: Li-natrolite, LI