AM_Gottardiite Formula: (Si14.637 Al2.346 Fe.017) O45.601 Na.316 K.022 Mg.391 Ca.605 H34 Name: Gottardiite Unit cell: 13.698 25.213 22.66 90.0 90.0 90.0 , V=7826.03 Space group: CMCA (64)

Alberti A , Vezzalini G , Galli E , Quartieri S , European Journal of Mineralogy , 8 (1996) p.69-75, The crystal structure of gottardiite, a new natural zeolite, Note: occupancies altered to match chemical formula