AM_Diaboleite Formula: Pb2 Cu Cl2 O4 H4 Name: Diaboleite Unit cell: 5.88 5.88 5.5 90.0 90.0 90.0 , V=190.16 Space group: P4MM (99)

Cooper M A , Hawthorne F C , The Canadian Mineralogist , 33 (1995) p.1125-1129, Diaboleite, Pb2Cu(OH)4Cl2, a defect perovskite structure with stereoactive, lone-pair behavior of Pb