AM_Nordite-(La) Formula: Na3 Sr La Zn Si6 O17 Name: Nordite-(La) Unit cell: 14.27 5.16 19.45 90.0 90.0 90.0 , V=1432.17 Space group: PCCA (54)

Bakakin V V , Belov N V , Borisov S V , Solovyeva L P , American Mineralogist , 55 (1970) p.1167-1181, The crystal structure of nordite and its relationship to melilite and, datolite-gadolinite