AM_Lemoynite Formula: (Zr1.86 Nb.08 Ti.06) Si10 Ca.83 Fe.08 Zn.02 Cu.01 Mg.04 Na K O32 H10.9 Name: Lemoynite Unit cell: 10.384 15.947 18.601 90.0 104.59 90.0 , V=2980.88 Space group: C12/C1 (15)

Le Page Y , Perrault G , The Canadian Mineralogist , 14 (1976) p.132-138, Structure cristalline de la lemoynite, (Na,K)2CaZr2Si10O26,5-6H2O, Note: x-coordinate of Na1 changed.