 | Pekov, I. V., Zubkova, N. V., Yapaskurt, V. O., Belakovskiy, D. I., Lykova, I. S., Vigasina, M. F., Sidorov, E. G., Pushcharovsky, D. Yu. (2014) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. I. Yurmarinite, Na7(Fe3+,Mg,Cu)4(AsO4)6. Mineralogical Magazine, 78 (4) 905-917 doi:10.1180/minmag.2014.078.4.10 | Journal (article/letter/editorial) | | arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. I. Yurmarinite, Na7(Fe3+...State University, Vorobievy Gory, 119991 Moscow, Russia Fersman Mineralogical Museum of Russian Academy...Sciences, Leninsky Prospekt 18-2, 119071 Moscow, Russia Institute of Volcanology and Seismology, Far Eastern...Piip Bulevard 9, 683006 Petropavlovsk-Kamchatsky, Russia [Received 6 February 2014; Accepted 13 March 2014;...of the Arsenatnaya fumarole at the Second scoria cone of the Northern Breakthrough of the Great Tolbachik |  | Pekov, Igor V., Krzhizhanovskaya, Maria G., Yapaskurt, Vasiliy O., Belakovskiy, Dmitry I., Chukanov, Nikita V., Lykova, Inna S., Sidorov, Evgeny G. (2015) Kononovite, NaMg(SO4)F, a new mineral from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. European Journal of Mineralogy, 27 (4) 575-580 doi:10.1127/ejm/2015/0027-2457 | Journal (article/letter/editorial) | | new mineral from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia IGOR V. PEKOV1,*, MARIA...State University, Vorobievy Gory, 119991 Moscow, Russia *Corresponding author, e-mail: igorpekov@mail.ru...Universitetskaya Nab. 7/9, 199034 St Petersburg, Russia 3 Fersman Mineralogical Museum of Russian Academy...Sciences, Leninsky Prospekt 18–2, 119071 Moscow, Russia 4 Institute of Problems of Chemical Physics, Russian...Sciences, 142432 Chernogolovka, Moscow region, Russia 5 Institute of Volcanology and Seismology, Far |  | Pekov, Igor V., Siidra, Oleg I., Chukanov, Nikita V., Yapaskurt, Vasiliy O., Belakovskiy, Dmitry I., Murashko, Mikhail N., Sidorov, Evgeny G. (2014) Kaliochalcite, KCu2(SO4)2[(OH)(H2O)], a new tsumcorite-group mineral from the Tolbachik volcano, Kamchatka, Russia. European Journal of Mineralogy, 26 (4) 597-604 doi:10.1127/0935-1221/2014/0026-2394 | Journal (article/letter/editorial) | | tsumcorite-group mineral from the Tolbachik volcano, Kamchatka, Russia IGOR V. PEKOV1,*, OLEG I.SIIDRA2...State University, Vorobievy Gory, 119991 Moscow, Russia *Corresponding author, e-mail: igorpekov@mail.ru...Universitetskaya Nab. 7/9, 199034 St Petersburg, Russia 3 Institute of Problems of Chemical Physics, Russian...Sciences, 142432 Chernogolovka, Moscow region, Russia 4 Fersman Mineralogical Museum of Russian Academy...Sciences, Leninsky Prospekt 18–2, 119071 Moscow, Russia 5 ZAO ‘‘Sistematicheskaya Mineralogiya’’, 11th |  | Pekov, Igor V., Zubkova, Natalia V., Agakhanov, Atali A., Yapaskurt, Vasiliy O., Chukanov, Nikita V., Belakovskiy, Dmitry I., Sidorov, Evgeny G., Pushcharovsky, Dmitry Y. (2017) Dravertite, CuMg(SO4)2, a new mineral species from the Tolbachik volcano, Kamchatka, Russia. European Journal of Mineralogy, 29 (2) 323-330 doi:10.1127/ejm/2017/0029-2596 | Journal (article/letter/editorial) | | a new mineral species from the Tolbachik volcano, Kamchatka, Russia 1 2 IGOR V. PEKOV1,*, NATALIA...at the Second scoria cone of the Northern Breakthrough of the Great Tolbachik Fissure Eruption, Tolbachik...Tolbachik volcano, Kamchatka, Russia. In the Arsenatnaya fumarole, dravertite (holotype) is closely associated...associated with dolerophanite, euchlorine, tenorite, hematite, langbeinite, steklite, fedotovite, wulffite...anglesite. In the Yadovitaya fumarole, it is associated with euchlorine, chalcocyanite, steklite, alumoklyuchevskite |  | | Journal (article/letter/editorial) | | Leninskiy Prospekt 18 korp. 2, Moscow 119071, Russia Dipartimento di Scienze della Terra “Ardito Desio”...the fumarole sublimates of the Second scoria cone, Northern Breakthrough of the Great Tolbachik Fissure...Fissure Eruption, Tolbachik volcano, Kamchatka, Russia. Cryptochalcite was found in the Arsenatnaya (holotype)...fumaroles, and cesiodymite was found only in the Arsenatnaya fumarole. The name cryptochalcite (Cyrillic: криптохальцит)...Cs-K-ordered analog of cryptochalcite. In the Arsenatnaya fumarole, cryptochalcite and cesiodymite belong to |  | Pekov, I. V., Zubkova, N. V., Yapaskurt, V. O., Belakovskiy, D. I., Chukanov, N. V., Lykova, I. S., Savelyev, D. P., Sidorov, E. G., Pushcharovsky, D. Y. (2014) Wulffite, K3NaCu4O2(SO4)4, and parawulffite, K5Na3Cu8O4(SO4)8, two new minerals from fumarole sublimates of the Tolbachik Volcano, Kamchatka, Russia. The Canadian Mineralogist, 52 (4) 699-716 doi:10.3749/canmin.1400018 | Journal (article/letter/editorial) | | NEW MINERALS FROM FUMAROLE SUBLIMATES OF THE TOLBACHIK VOLCANO, KAMCHATKA, RUSSIA IGOR V. PEKOV§, NATALIA...State University, Leninskie Gory, 119991 Moscow, Russia DMITRY I. BELAKOVSKIY Fersman Mineralogical Museum...Sciences, Leninskiy Prospekt 18-2, Moscow, 119071 Russia NIKITA V. CHUKANOV Institute of Problems of Chemical...Chemical Physics, 142432 Chernogolovka, Moscow Oblast, Russia INNA S. LYKOVA Faculty of Geology, Moscow State...State University, Leninskie Gory, 119991 Moscow, Russia DMITRY P. SAVELYEV AND EVGENY G. SIDOROV Institute |  | | Report (issue) | | Properties: Cleavage: Imperfect, one direction. Fracture: Uneven. to weakly plastic. Hardness = ~ 3 D(meas...X-ray Powder Pattern: Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. 3.041 (100), 3.233 (82)...11.70 4.93 100.00 (1) Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia; average of 4 electron...Encrusting basaltic scoria around an active fumarole, probably by reaction of volcanic gas with minerals...minerals in the scoria. Association: Langbeinite, hematite, anglesite, euchlorine. Distribution: From the Arsenatnaya |  | Pekov, Igor V., Shchipalkina, Nadezhda V., Zubkova, Natalia V., Gurzhiy, Vladislav V., Agakhanov, Atali A., Belakovskiy, Dmitry I., Chukanov, Nikita V., Lykova, Inna S., Vigasina, Marina F., Koshlyakova, Natalia N., Sidorov, Evgeny G., Giester, Gerald (2019) Alkali sulfates with aphthitalite-like structures from fumaroles of the Tolbachik Volcano, Kamchatka, Russia. I. Metathénardite, a natural high-temperature modification of Na2SO4. The Canadian Mineralogist, 57 (6) 885-901 doi:10.3749/canmin.1900050 | Journal (article/letter/editorial) | | STRUCTURES FROM FUMAROLES OF THE TOLBACHIK VOLCANO, KAMCHATKA, RUSSIA. I. METATHÉNARDITE, A NATURAL HIGH-TEMPERATURE...State University, Leninskie Gory, 119991 Moscow, Russia VLADISLAV V. GURZHIY Department of Crystallography...Universitetskaya Nab. 7/9, 199034 St. Petersburg, Russia ATALI A. AGAKHANOV AND DMITRY I. BELAKOVSKIY...Sciences, Leninskiy Prospekt 18-2, Moscow, 119071 Russia NIKITA V. CHUKANOV Institute of Problems of Chemical...Sciences, Chernogolovka, Moscow region, 142432 Russia INNA S. LYKOVA Canadian Museum of Nature, 240 |  | | Report (issue) | | Properties: Cleavage: None. Tenacity: Brittle. Fracture: Conchoidal. D(meas.) = n.d. D(calc.) = 2.80 ...Diffraction Pattern: Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. 7.24 (100), 2.600 (48)...12.64 55.98 98.97 (1) Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia; average electron microprobe...A sublimate at an active volcanic fumarole. Association: Tenorite, euchlorine, dobrovolskiite. Distribution...the Arsenatnaya fumarole, Second scoria cone of the Northern Breakthrough of the Great Tolbachik Fissure |  | Pekov, Igor V., Koshlyakova, Natalia N., Zubkova, Natalia V., Lykova, Inna S., Britvin, Sergey N., Yapaskurt, Vasiliy O., Agakhanov, Atali A., Shchipalkina, Nadezhda V., Turchkova, Anna G., Sidorov, Evgeny G. (2018) Fumarolic arsenates − a special type of arsenic mineralization. European Journal of Mineralogy, 30 (2) 305-322 doi:10.1127/ejm/2018/0030-2718 | Journal (article/letter/editorial) | | State University, Vorobievy Gory, 119991 Moscow, Russia *Corresponding author, e-mail: igorpekov@mail.ru...Sciences, Leninsky Prospekt 18-2, 119071 Moscow, Russia 3 Department of Crystallography, St Petersburg...Universitetskaya Nab. 7/9, 199034 St Petersburg, Russia Institute of Volcanology and Seismology, Far Eastern...Piip Boulevard 9, 683006 Petropavlovsk-Kamchatsky, Russia Abstract: This paper is a review devoted to a...special type of arsenic mineralization related to volcanic fumaroles of the oxidizing type. Fifty-four hydrogen-free |  | | Report (issue) | | Properties: Cleavage: None. Tenacity: Brittle. Fracture: Uneven. Hardness = ~3.5 D(meas.) = n.d. D(calc...X-Ray Diffraction Pattern: Arsenatnaya fumarole, Tolbachik Volcano, Russia. 2.765 (100), 3.211 (46), 6.... 100.72 100.00 (1) Arsenatnaya fumarole, Tolbachik Volcano, Kamchatka, Russia; average electron microprobe...arsenates. Occurrence: A sublimate at an active volcanic fumarole. Association: Hematite, tenorite, cassiterite...krasheninnikovite, euchlorine, wulffite, alumoklyuchevskite. Distribution: From the Arsenatnaya fumarole, Second scoria |  | | Report (issue) | | Properties: Cleavage: Imperfect. Tenacity: Brittle. Fracture: Uneven. Hardness = ~3.5 D(meas.) = n.d. D(calc...X-Ray Diffraction Pattern: Arsenatnaya fumarole, Tolbachik Volcano, Russia. 2.758 (100), 2.735 (25), 3...13 . 99.90 100.00 (1) Arsenatnaya fumarole, Tolbachik Volcano, Kamchatka, Russia; average electron microprobe...arsenates. Occurrence: A sublimate at an active volcanic fumarole. Association: Hematite, tenorite, johillerite...shchurovskyite, yurmarinite, krasheninnikovite, euchlorine, wulffite, alumoklyuchevskite, sellaite, gahnite |  | | Report (issue) | | Hardness = n.d. D(meas.) = n.d. D(calc.) = 3.74 Fracture: Uneven. Optical Properties: Transparent. Color:...2 X-ray Powder Pattern: Great Tolbachik Fissure Eruption, Kamchatka, Russia. 4.177 (100), 3.630 (72)...81 (1) Saranchinaitovaya fumarole, Naboko scoria cone, Kamchatka, Russia; average of 10 electron microprobe...(2) Arsenatnaya fumarole, Second scoria cone, Great Tolbachik Fissure Eruption, Kamchatka, Russia; average...analyses. Occurrence: As sublimates around a volcanic fumarole. Association: Anhydrite, itelmenite, saranchinaite |  | | Report (issue) | | Properties: Cleavage: None. Tenacity: Brittle. Fracture: Uneven. D(Meas.) = n.d. D(calc.) = 3.98 Nonfluorescent...Diffraction Pattern: Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. 3.483 (100), 2.394 (86)...40 39.60 100.00 (1) Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia; average electron microprobe...an active volcanic fumarole. Association: Langbeinite, lammerite-β, bradaczekite, euchlorine, anhydrite...From the Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough, Great Tolbachik Fissure Eruption |  | | Report (issue) | | Cleavage: Perfect on {001}. Tenacity: Brittle. Fracture: Stepped. Hardness = ~3 D(meas.) = n.d. D(calc...Diffraction Pattern: Arsenatnaya fumarole, Tolbachik Volcano, Kamchatka, Russia. 3.658 (100), 3.699 (78)...35 33.50 100.00 (1) Arsenatnaya fumarole, Tolbachik Volcano, Kamchatka, Russia; average electron microprobe...Occurrence: A sublimate at an active volcanic fumarole. Association: Euchlorine, fedotovite, wulffite, chalcocyanite...the Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough of the Great Tolbachik Fissure Eruption |  | Pekov, Igor V., Zubkova, Natalia V., Agakhanov, Atali A., Pushcharovsky, Dmitry Y., Yapaskurt, Vasiliy O., Belakovskiy, Dmitry I., Vigasina, Marina F., Sidorov, Evgeny G., Britvin, Sergey N. (2018) Cryptochalcite, K2Cu5O(SO4)5, and cesiodymite, CsKCu5O(SO4)5, two new isotypic minerals and the K–Cs isomorphism in this solid-solution series. European Journal of Mineralogy, 30 (3) 593-607 doi:10.1127/ejm/2018/0030-2725 | Journal (article/letter/editorial) | | State University, Vorobievy Gory, 119991 Moscow, Russia *Corresponding author, e-mail: igorpekov@mail.ru...Sciences, Leninsky Prospekt 18-2, 119071 Moscow, Russia Institute of Volcanology and Seismology, Far Eastern...Piip Boulevard 9, 683006 Petropavlovsk-Kamchatsky, Russia 4 Department of Crystallography, St Petersburg...University Embankment 7/9, 199034 St Petersburg, Russia Abstract: Two new isotypic minerals cryptochalcite...found in fumarole sublimates at the Second scoria cone of the Northern Breakthrough of the Great Tolbachik |  | | Report (issue) | | incrustations. Physical Properties: Cleavage: None. Fracture: Uneven. D(meas.) = n.d. D(calc.) = 4.409 Tenacity:...Powder Pattern: Arsenatnaya fumarole, Kamchatka Peninsula, Far-Eastern Region, Russia. 5.260 (100), 5...48 100.00 (1) Arsenatnaya fumarole, Kamchatka Peninsula, Far-Eastern Region, Russia; average of 5 electron...Cu9O4(AsO4)2(SO4)2. Occurrence: A volcanic sublimate on basaltic scoria in the walls of a fumarole at temperatures higher...belomarinaite, krasheninnikovite, anhydrite, euchlorine, wulffite, alumoklyuchevskite, cryptochalcite |  | | Report (issue) | | directions parallel to elongation and a third || (010). Fracture: Stepped. Tenacity: Brittle. Hardness = 2.5 D(meas...X-ray Powder Pattern: Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. 9.27 (100), 2.780 (33)...25 39.50 100.00 (1) Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia; average of 6 electron...Occurrence: As sublimates at a fumarole as incrustations on the surface of basalt scoria or on tenorite or aphthitalite...aphthitalite crusts. Association: Euchlorine, fedotovite, hematite, johillerite, fluoborite, langbeinite |  | Pekov, Igor V., Zubkova, Natalia V., Britvin, Sergey N., Chukanov, Nikita V., Yapaskurt, Vasiliy O., Sidorov, Evgeny G., Pushcharovsky, Dmitry Y. (2016) Shuvalovite, K2(Ca2Na)(SO4)3F, a new mineral from the Tolbachik volcano, Kamchatka, Russia. European Journal of Mineralogy, 28 (1) 53-62 doi:10.1127/ejm/2015/0027-2471 | Journal (article/letter/editorial) | | K2(Ca2Na)(SO4)3F, a new mineral from the Tolbachik volcano, Kamchatka, Russia IGOR V. PEKOV1,*, NATALIA V. ZUBKOVA1...State University, Vorobievy Gory, 119991 Moscow, Russia *Corresponding author, e-mail: igorpekov@mail.ru...Universitetskaya Nab. 7/9, 199034 St Petersburg, Russia 3 Nanomaterials Research Center, Kola Science Center...Academy of Sciences, Fersman Str. 18, 184209 Apatity, Russia 4 Institute of Problems of Chemical Physics, Russian...Sciences, 142432 Chernogolovka, Moscow region, Russia 5 Institute of Volcanology and Seismology, Far |  | Sharygin, Victor, Kamenetsky, Vadim, Zhitova, Liudmila, Belousov, Alexander, Abersteiner, Adam (2018) Copper-Containing Magnesioferrite in Vesicular Trachyandesite in a Lava Tube from the 2012–2013 Eruption of the Tolbachik Volcano, Kamchatka, Russia. Minerals, 8 (11) 514 doi:10.3390/min8110514 | Journal (article/letter/editorial) | | Tube from the 2012–2013 Eruption of the Tolbachik Volcano, Kamchatka, Russia Victor V. Sharygin 1,2,3...of Geology and Mineralogy, Novosibirsk 630090, Russia; zhitova@igm.nsc.ru Department of Geology and Geophysics...Novosibirsk State University, Novosibirsk 630090, Russia Institute of Physics and Technology, Ural Federal...Ekaterinburg 620002, Russia Institute of Experimental Mineralogy, Chernogolovka 142432, Russia; Dima.Kamenetsky@utas...and Seismology, Petropavlovsk-Kamchatsky 683006, Russia; belousov@mail.ru Correspondence: sharygin@igm |  | Siidra, Oleg I., Nazarchuk, Evgeny V., Lukina, Evgeniya A., Zaitsev, Anatoly N., Shilovskikh, Vladimir V. (2018) Belousovite, KZn(SO4)Cl, a new sulfate mineral from the Tolbachik volcano with apophyllite sheet-topology. Mineralogical Magazine, 82 (5) 1079-1088 doi:10.1180/minmag.2017.081.084 | Journal (article/letter/editorial) | | KZn(SO4)Cl, a new sulphate mineral from the Tolbachik volcano with 3 apophyllite sheet-topology. ...Shilovskikh3 7 8 1 9 10 199034 St. Petersburg, Russia 2 11 12 13 Department of Crystallography, St...University Embankment 7/9, 199034 St. Petersburg, Russia 3 Geomodel Centre, St. Petersburg State University...University, University emb. 7/9, St. Petersburg 198504, Russia 14 15 16 * E-mail: o.siidra@spbu.ru 17 [Received...Yadovitaya fumarole of the Second scoria 23 cone of the North Breach of the Great Tolbachik Fissure Eruption |  | Siidra, Oleg I., Nazarchuk, Evgeny V., Agakhanov, Atali A., Lukina, Evgeniya A., Zaitsev, Anatoly N., Turner, Rick, Filatov, Stanislav K., Pekov, Igor V., Karpov, Gennady A., Yapaskurt, Vasiliy O. (2018) Hermannjahnite, CuZn(SO4)2, a new mineral with chalcocyanite derivative structure from the Naboko scoria cone of the 2012–2013 fissure eruption at Tolbachik volcano, Kamchatka, Russia. Mineralogy and Petrology, 112 (1) 123-134 doi:10.1007/s00710-017-0520-4 | Journal (article/letter/editorial) | | Naboko scoria cone of the 2012–2013 fissure eruption at Tolbachik volcano, Kamchatka, Russia Oleg I....Saranchinaitovaya fumarole, Naboko scoria cone, where the recent Fissure Tolbachik Eruption occurred in 2012–2013...in the Arsenatnaya fumarole, on the Second scoria cone of the Great Tolbachik Fissure Eruption (GTFE 1975–1976)...University, University emb. 7/9, 199034 St. Petersburg, Russia 2 Fersman Mineralogical Museum, Russian Academy...Science, Leninskii Prospect, Bldg. 18, 117071 Moscow, Russia 3 Department of Mineralogy, St. Petersburg State |  | Pekov, Igor V., Lykova, Inna, Koshlyakova, Natalia N., Belakovskiy, Dmitry I., Vigasina, Marina F., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Scheidl, Katharina S. (2020) A new mineral species zincobradaczekite, NaCuCuZn2(AsO4)3, and a new isomorphous series bradaczekite–zincobradaczekite in the alluaudite group. Physics and Chemistry of Minerals, 47 (8). doi:10.1007/s00269-020-01104-8 | Journal (article/letter/editorial) | | Yadovitaya fumarole at the Second scoria cone of the Northern Breakthrough of the Great Tolbachik Fissure Eruption...Eruption, Tolbachik volcano, Kamchatka, Russia. It is associated with bradaczekite, lammerite, lammerite-β...NaCuCuCu2(AsO4)3, are isostructural. In the Yadovitaya fumarole, Mg-poor bradaczekite forms an isomorphous series...zincobradaczekite, whilst in the neighbouring Arsenatnaya fumarole only a Zn-depleted and Mg-enriched variety...substitution · Crystal structure · Fumarole · Tolbachik volcano · Kamchatka Introduction Electronic supplementary |  | Pekov, Igor V., Zubkova, Natalia V., Agakhanov, Atali A., Ksenofontov, Dmitry A., Pautov, Leonid A., Sidorov, Evgeny G., Britvin, Sergey N., Vigasina, Marina F., Pushcharovsky, Dmitry Y. (2019) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. X. Edtollite, K2NaCu5Fe3+O2(AsO4)4, and alumoedtollite, K2NaCu5AlO2(AsO4)4. Mineralogical Magazine, 83 (4) 485-495 doi:10.1180/mgm.2018.155 | Journal (article/letter/editorial) | | arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. X. Edtollite, K2NaCu5Fe3+O2(AsO4)4...State University, Vorobievy Gory, 119991 Moscow, Russia 2 Fersman Mineralogical Museum of the Russian...Sciences, Leninsky Prospekt 18-2, 119071 Moscow, Russia 3 Institute of Volcanology and Seismology, Far...Piip Boulevard 9, 683006 Petropavlovsk-Kamchatsky, Russia 4 Department of Crystallography, St Petersburg...University Embankment 7/9, 199034 St Petersburg, Russia *E-mail: igorpekov@mail.ru Running title: Edtollite |  | Pekov, Igor V., Zubkova, Natalia V., Belakovskiy, Dmitry I., Yapaskurt, Vasiliy O., Vigasina, Marina F., Sidorov, Evgeny G., Pushcharovsky, Dmitry Yu (2015) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. IV. Shchurovskyite, K2CaCu6O2(AsO4)4 and dmisokolovite, K3Cu5AlO2(AsO4)4. Mineralogical Magazine, 79 (7) 1737-1753 doi:10.1180/minmag.2015.079.7.02 | Journal (article/letter/editorial) | | arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. IV. Shchurovskyite,...State University, Vorobievy Gory, 119991 Moscow, Russia Fersman Mineralogical Museum of Russian Academy...Sciences, Leninsky Prospekt 18-2, 119071 Moscow, Russia Institute of Volcanology and Seismology, Far Eastern...Piip Boulevard 9, 683006 Petropavlovsk-Kamchatsky, Russia [Received 14 November 2014; Accepted 1 March 2015;...of the Arsenatnaya fumarole at the Second scoria cone of the Northern Breakthrough of the Great Tolbachik |
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