AM_Metaschoepite_1 Formula: Na1.09 U8 O38.328 H32 Name: Metaschoepite Unit cell: 14.705 14.0565 16.7051 90.0 90.0 90.0 , V=3452.96 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-CRY