AM_Barrerite_3 Formula: (Si7.123 Al1.876) O22.52 Na.106 K.03 Mg.047 Ca.162 Ba.002 N1.315 H34 Name: Barrerite Unit cell: 13.601 18.232 17.81 90.0 90.0 90.0 , V=4416.41 Space group: FMMM (69)

Meneghinello E , Alberti A , Cruciani G , Sacerdoti M , McIntyre G , Ciambelli P , Rapascciuolo M T , European Journal of Mineralogy , 12 (2000) p.1123-1129, Single crystal neutron diffraction study of the natural zeolite barrerite, in its ND4-exchanged form