AM_Metaschoepite_3 Formula: Na1.16 U8 O37.9 H34 Name: Metaschoepite Unit cell: 14.6317 14.0147 16.6977 90.0 90.0 90.0 , V=3424.01 Space group: PBCN (60)

Klingensmith A L , Deely K M , Kinman W S , Kelly V , Burns P C , American Mineralogist , 92 (2007) p.662-669, Neptunium incorporation in sodium-substituted metaschoepite, Locality: synthetic, Sample: Na-Ms-AB1