AM_Chloroxiphite Formula: Pb3 Cu O4 Cl2 H2 Name: Chloroxiphite Unit cell: 10.458 5.75 6.693 90.0 97.79 90.0 , V=398.76 Space group: P121/M1 (11)

Finney J J , Graeber E J , Rosenzweig A , Hamilton R D , Mineralogical Magazine , 41 (1977) p.357-361, The structure of chloroxiphite, Pb3CuO2(OH)2Cl2, Locality: Mendip Hills, Somerset, England