AM_Romanechite
Formula: Mn5 O11.18 Ba.66 H1.18
Name: Romanechite
Unit cell: 13.929 2.8459 9.678 90.0 92.39 90.0 , V=383.31
Space group: C12/M1 (12)

Turner S , Post J E , American Mineralogist , 73 (1988) p.1155-1161, Refinement of the substructure and superstructure of romanechite