Keyite Formula: Cu1.5 Zn2 Cd As3 O14 H4 Name: Keyite Unit cell: 11.654 12.78 6.84 90.0 99.11 90.0 , V=1005.89 Space group: I12/A1 (15)
Cooper M A , Hawthorne F C , The Canadian Mineralogist , 34 (1996) p.623-630, The crystal structure of keyite, Cu3(Zn,Cu)4Cd2(AsO4)6(H2O)2, an oxysalt mineral, with essential cadmium