Citation: Hambley, T.W.; Taylor, J.C. (1984). Neutron diffraction studies on natural heulandite and y partially dehydrated heulandite. Journal of Solid State Chemistry, 54, pp. 1-9.
Formula: Al9.04 Ca4.52 H26.8 O85.4 Si26.96
Chemical name:Ca4.52 Al9.04 Si26.96 O72 (H2 O)13.4