Citation: Perrotta A J (1967). The crystal structure of epistilbite Locality: Teigarhorn, Iceland. Mineralogical Magazine, 36, pp. 480-490.
Formula: Al3.144 Ca1.296 H18 K0.05 Na0.53 O31.87 Si8.856
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al24 O48 Si24 (Al O2 Si)
Multiplicity: 1