Metauranocircite II.5687 Formula: U2 Ba P2 O18 H14 Name: Metauranocircite II Unit cell: 9.882 16.868 9.789 90.0 90.52 90.0 , V=1631.66 Space group: P21/c (14)
Locock A J , Burns P C , Flynn T M , The Canadian Mineralogist , 43 (2005) p.721-733, Structures of strontium- and barium-dominant compounds that contain the autunite-type sheet