Citation: Armbruster, T.; Gunter, M. E. (1991). Stepwise dehydration of heulandite-clinoptilolite from Succor Creek, Oregon, U.S.A.: A single-crystal X-ray study at 100K sample name: dehyd4. American Mineralogist, 76, pp. 1872-1883.
Formula: Al4.08 Ca0.88 H1.86 K0.26 Na1.2 O37.86 Si13.92
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al36 O72 Si36 (Al O2 Si)
Multiplicity: 1
Coordination sequences: