Arsentsumebite Zubkova N V, Pushcharovsky D Y, Giester G, Tillmanns E, Pekov I V, Kleimenov D A Mineralogy and Petrology 75 (2002) 79-88 The crystal structure of arsentsumebite, Pb2Cu[(As,S)O4]2(OH) Locality: oxidation zone of the Berezovskoye gold deposit, Middle Urals, Russia _database_code_amcsd 0014646 7.804 5.890 8.964 90 112.29 90 P2_1/m atom x y z occ Biso Pb1 .7163 .25 .2412 3.4 Pb2 .2987 .25 .3869 2.8 Cu 0 0 0 1.50 As1 .5584 .25 -.1715 .63 1.0 S1 .5584 .25 -.1715 .37 1.0 As2 -.0449 .25 -.3502 .37 1.2 S2 -.0449 .25 -.3502 .63 1.2 OH1 .1707 .25 .0811 .9 O2 -.2413 .25 -.4682 2.9 O3 .0928 .25 .5563 4.8 O4 .4336 .25 .9346 3.8 O5 .7754 .25 -.0543 2.1 O6 -.0002 .0302 -.2410 2.6 O7 .5099 .0252 -.2875 2.5