Citation: Hambley, T.W.; Taylor, J.C. (1984). Neutron diffraction studies on natural heulandite and partially dehydrated heulandite. Journal of Solid State Chemistry, 54, pp. 1-9.
Formula: Al8.96 Ca4.48 H47.2 O95.6 Si27.04
Chemical name:Ca4.48 (Al8.96 Si27.04 O72) (H2 O)23.6