Formula: Na9.34 Ca4.58 Si13.16 B2.84 F2 O44 H5.96
Name: Martinite
Unit cell: 9.5437 9.5349 14.0268 108.943 74.154 119.78 , V=1038.08
Space group: P-1 (2)

McDonald A M , Chao G Y , The Canadian Mineralogist , 45 (2007) p.1281-1292, Martinite, a new hydrated sodium calcium fluorborosilicate species from Mont, Saint-Hilaire, Quebec: description, structure determination and genetic implications, Note: changed F(y) to match reported bond distances, Locality: Poudrette quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada