Citation: Wust, T.; Stolz, J.; Armbruster, T. (1999). Partially dealuminated heulandite produced by acidic REECl3 solution: A chemical and single-crystal X-ray study Sample: DEHY378. American Mineralogist, 84, pp. 1126-1134.
Formula: Al0.412 H25.12 Na0.26 O39.1 Si18
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al12 O112 Si36 (Al3 O28 Si9)
Multiplicity: 1