AM_Metaschoepite_4 Formula: Na.47 U8 O37.082 H34 Name: Metaschoepite Unit cell: 14.6592 14.0358 16.7148 90.0 90.0 90.0 , V=3439.13 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-AB2