AM_Diaoyudaoite_3 Formula: Na Al11 O17 Name: Diaoyudaoite Unit cell: 5.5962 5.5962 22.526 90.0 90.0 120.0 , V=610.94 Space group: P63/MMC (194)

Felsche J , Naturwissenschaften , 54 (1967) p.612-613, Zur kristallstruktur von beta-aluminiumoxid, Note: x,y coordinates of O3 altered to produce a more reasonable structure, Locality: synthetic