Hydrocerussite Cowley J M Acta Crystallographica 9 (1956) 391-396 Electron-diffraction study of the structure of basic lead carbonate, 2PbCO3*Pb(OH)2 Locality: synthetic _database_code_amcsd 0009160 9.06 9.06 8.27 90 90 120 P31m atom x y z Pb1 0 0 .77 Pb2 1/3 2/3 .77 Pb3 .255 0 .50 Pb4 .660 0 .23 C1 0 0 .14 C2 1/3 2/3 .14 C3 .66 0 .86 O1 .16 0 .14 O2 .53 .16 .14 O3 .51 0 .86 O4 .34 .18 .86 OH1 0 0 .42 OH2 1/3 2/3 .42 OH3 .70 0 .58