AM_Hollandite Formula: Ba.34 Pb.08 Mn3.24 Fe.64 Al.12 O8 Name: Hollandite Unit cell: 10.026 2.8782 9.729 90.0 91.03 90.0 , V=280.70 Space group: I12/M1 (12)

Post J E , Von Dreele R B , Buseck P R , Acta Crystallographica, Section B , 38 (1982) p.1056-1065, Symmetry and cation displacements in hollandites:, structure refinements of hollandite, cryptomelane and priderite, Locality: Stuor Njuoskes, Sweden, Note: Anisotropic displacement factors from ICSD