AM_Derbylite Formula: Fe4 Ti3 Sb O14 H Name: Derbylite Unit cell: 7.16 14.347 4.97 90.0 104.61 90.0 , V=494.03 Space group: P121/M1 (11)

Moore P B , Araki T , Neues Jahrbuch fur Mineralogie, Abhandlungen , 126 (1976) p.292-303, Derbylite, Fe3+4Ti4+3Sb3+O13(OH), a novel close-packed oxide structure, Locality: Ouro Preto, Minas Gerias, Brazil