Citation: Firor, R.L.; Seff, K. (1978). Hydrolysis in zeolites. Five-coordinate aluminum(III). Investigations of two hydrated partially ion-exchanged zeolite A crystal structures, Ni(II) Na-A and Fe(II) Na-A. Journal of Physical Chemistry, 82, pp. 1650-1655.
Formula: Al12 Fe2.7 H29.6 Na2 O62.8 Si12
Chemical name:Fe2.7 Na2 (Si12 Al12 O48) (H2 O)14.8