AM_Mordenite Formula: K.24 Ca.466 Na.69 Si10.044 Al1.956 O31.18 H34 Name: Mordenite Unit cell: 18.096 20.473 7.515 90.0 90.0 90.0 , V=2784.15 Space group: CMC21 (36)

Simoncic P , Armbruster T , American Mineralogist , 89 (2004) p.421-431, Peculiarity and defect structure of the natural and synthetic zeolite mordenite:, A single-crystal X-ray study, Sample: natural