Citation: Pekov, I. V.; Zubkova, N. V.; Yapaskurt, V. O.; Belakovskiy, D. I.; Vigasina, M. F.; Sidorov, E. G.; Pushcharovsky, D. Y. (2015). New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. III. Popovite, Cu5O2(AsO4)2. Mineralogical Magazine, 79, pp. 133-143.