Citation: Krivovichev, S. V.; Filatov, S. K.; Burns, P. C.; Vergasova, L. P. (2006). The crystal structure of allochalcoselite, Cu+Cu2+5PbO2(SeO3)2Cl5, a mineral with well-defined Cu+ and Cu2+ positions Locality: fumaroles of the Great Tolbachik fissure eruption, Kamchatka Peninsula, Russia. The Canadian Mineralogist, 44, pp. 507-514.