AM_Arsentsumebite Formula: Pb2 Cu (As S) (O9 H) Name: Arsentsumebite Unit cell: 7.804 5.89 8.964 90.0 112.29 90.0 , V=381.25 Space group: P121/M1 (11)

Zubkova N V , Pushcharovsky D Y , Giester G , Tillmanns E , Pekov I V , Kleimenov D A , Mineralogy and Petrology , 75 (2002) p.79-88, The crystal structure of arsentsumebite, Pb2Cu[(As,S)O4]2(OH), Locality: oxidation zone of the Berezovskoye gold deposit, Middle Urals, Russia