AM_Silinaite
Formula: Na Li Si2 O7 H4
Name: Silinaite
Unit cell: 5.061 8.334 14.383 90.0 96.6 90.0 , V=602.63
Space group: A12/N1 (15)

Grice J D , The Canadian Mineralogist , 29 (1991) p.363-367, The crystal structure of silinaite, NaLiSi2O6.2H20: a monophyllosilicate, Locality: Mont Saint-Hilaire, Rouville County, Quebec, Canada