AM_Natrolemoynite
Formula: Na1.44 K.05 Ca.01 (Zr.94 Nb.04 Ti.02) Si5 O17.56 H2.42
Name: Natrolemoynite
Unit cell: 10.515 16.2534 9.1029 90.0 105.462 90.0 , V=1499.42
Space group: C12/M1 (12)

McDonald A M , Chao G Y , The Canadian Mineralogist , 39 (2001) p.1295-1306, Natrolemoynite, a new hydrated sodiium zirconosilicate from Mont Saint-Hilaire,, Quebec: Description and structure determination, Locality: Mont Saint-Hilaire, Quebec, Canada