- Chukanov N V, Murashko M N, Zadov A E, Bushmakin A F (2006) Avdoninite, K2Cu5Cl3(OH)4·H2O, a new mineral from volcanic exhalations and from the zone of technogenesis at massive sulfide ore deposits. Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva 135(3), 38-42 Chemistry changed from K2Cu5Cl8(OH)4·H2O: Pekov I V, Krivovichev S V, Chukanov N V, Yapaskurt V O, Sidorov E G (2015) Avdoninite: new data, crystal structure and refined formula K2Cu5Cl8(OH)4·2H2O. Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva 144(3), 55-69