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cryptochalcite

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Journal Article

Cryptochalcite, K 2 Cu 5 O(SO 4 ) 5 , and cesiodymite, CsKCu 5 O(SO 4 ) 5 , two new isotypic minerals and the K–Cs isomorphism in this solid-solution series

Igor V. Pekov, Natalia V. Zubkova, Atali A. Agakhanov, Dmitry Y. Pushcharovsky, Vasiliy O. Yapaskurt, Dmitry I. Belakovskiy, Marina F. Vigasina, Evgeny G. Sidorov, Sergey N. Britvin
Published: 01 May 2018
European Journal of Mineralogy (2018) 30 (3): 593–607.
DOI: https://doi.org/10.1127/ejm/2018/0030-2725
...Igor V. Pekov; Natalia V. Zubkova; Atali A. Agakhanov; Dmitry Y. Pushcharovsky; Vasiliy O. Yapaskurt; Dmitry I. Belakovskiy; Marina F. Vigasina; Evgeny G. Sidorov; Sergey N. Britvin Two new isotypic minerals cryptochalcite, K 2 Cu 5 O(SO 4 ) 5 , and cesiodymite, CsKCu 5 O(SO 4 ) 5 , were found...
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Green aggregates of cryptochalcite (1) on a crust of deep green euchlorine ...

Published: 01 May 2018
Fig. 1 Green aggregates of cryptochalcite (1) on a crust of deep green euchlorine (2) with colourless, transparent crystals of anglesite and iron-black hematite from the Arsenatnaya fumarole (a) and light green cryptochalcite crystal crust on basalt scoria from the Yadovitaya fumarole (b). Field
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Raman spectra of cryptochalcite (a) and cesiodymite (b).

Published: 01 May 2018
Fig. 5 Raman spectra of cryptochalcite (a) and cesiodymite (b).
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Ratios of K, Rb and Cs in cryptochalcite and cesiodymite.

Published: 01 May 2018
Fig. 6 Ratios of K, Rb and Cs in cryptochalcite and cesiodymite.
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The layer I (a) and the layer II (b) in the structure of cryptochalcite...

Published: 01 May 2018
Fig. 8 The layer I (a) and the layer II (b) in the structure of cryptochalcite/cesiodymite projected onto the ab plane.
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The crystal structure of cryptochalcite/cesiodymite projected along the a ...

Published: 01 May 2018
Fig. 7 The crystal structure of cryptochalcite/cesiodymite projected along the a axis. Cu-centred polyhedra are blue, SO 4 tetrahedra are yellow. The unit cell is outlined.
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Crystal structures of euchlorine ( a : drawn after Scordari & Stasi, 1...

Published: 01 May 2018
Fig. 10 Crystal structures of euchlorine ( a : drawn after Scordari & Stasi, 1990 ), wulffite ( b ) and parawulffite ( c ) (both drawn after Pekov et al. , 2014a ), eleomelanite ( d : drawn after Pekov et al. , 2016 ), cryptochalcite/cesiodymite ( e , this work), kamchatkite ( f : drawn
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Crystallographic parameters of known cryptochalcite-type A 2 [Cu 5 O(SO 4...

Published: 29 September 2021
Table 2. Crystallographic parameters of known cryptochalcite-type A 2 [Cu 5 O(SO 4 ) 5 ] compounds. Mineral/Synthetic Cryptochalcite Cesiodymite Synthetic Formula K 2 [Cu 5 O(SO 4 ) 5 ] CsK[Cu 5 O(SO 4 ) 5 ] Rb 2 [Cu 5 O(SO 4 ) 5 ] Space group P ${\bar 1}$ P
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Crystallographic parameters of known cryptochalcite-type A 2 [Cu 5 O(SO 4...

Published: 29 September 2021
Table 2. Crystallographic parameters of known cryptochalcite-type A 2 [Cu 5 O(SO 4 ) 5 ] compounds. Mineral/Synthetic Cryptochalcite Cesiodymite Synthetic Formula K 2 [Cu 5 O(SO 4 ) 5 ] CsK[Cu 5 O(SO 4 ) 5 ] Rb 2 [Cu 5 O(SO 4 ) 5 ] Space group P ${\bar 1}$ P
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Crystallographic parameters of known cryptochalcite-type A 2 [Cu 5 O(SO 4...

Published: 29 September 2021
Table 2. Crystallographic parameters of known cryptochalcite-type A 2 [Cu 5 O(SO 4 ) 5 ] compounds. Mineral/Synthetic Cryptochalcite Cesiodymite Synthetic Formula K 2 [Cu 5 O(SO 4 ) 5 ] CsK[Cu 5 O(SO 4 ) 5 ] Rb 2 [Cu 5 O(SO 4 ) 5 ] Space group P ${\bar 1}$ P
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Crystallographic parameters of known cryptochalcite-type A 2 [Cu 5 O(SO 4...

Published: 29 September 2021
Table 2. Crystallographic parameters of known cryptochalcite-type A 2 [Cu 5 O(SO 4 ) 5 ] compounds. Mineral/Synthetic Cryptochalcite Cesiodymite Synthetic Formula K 2 [Cu 5 O(SO 4 ) 5 ] CsK[Cu 5 O(SO 4 ) 5 ] Rb 2 [Cu 5 O(SO 4 ) 5 ] Space group P ${\bar 1}$ P
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The [O 2 Cu 6 ] dimer of the oxocentred tetrahedra OCu 4 (a) and the motif...

Published: 01 May 2018
Fig. 9 The [O 2 Cu 6 ] dimer of the oxocentred tetrahedra OCu 4 (a) and the motif formed by these dimers in the structure of cryptochalcite/cesiodymite (b). The unit cell is outlined in (b).
Journal Article

New Mineral Names ,

Dmitriy I. Belakovskiy, Fernando Cámara, Yulia Uvarova
Published: 01 December 2019
American Mineralogist (2019) 104 (12): 1866–1871.
DOI: https://doi.org/10.2138/am-2019-NMN1041219
...Dmitriy I. Belakovskiy; Fernando Cámara; Yulia Uvarova In this issue This New Mineral Names has entries for 11 new minerals, including cesiodymite, cryptochalcite, feodosiyite, fluoro-tremolite, itelmenite, ozerovaite, ramazzoite, redcanyonite, selivanovite, vanderheydenite, and wrightite...
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Cs 2 ZnCl 4 aggregate (white) overgrowing, together with cryptochalcite (g...

Published: 01 May 2020
Fig. 4. Cs 2 ZnCl 4 aggregate (white) overgrowing, together with cryptochalcite (gray plates and their intergrowths), the face of nabokoite crystal. Arsenatnaya fumarole, Second scoria cone of the Northern Breakthrough of the Great Tolbachik Fissure Eruption. Back-scattered-electron SEM image.
Journal Article

Anhydrous alkali copper sulfates – a promising playground for new Cu 2+ oxide complexes: new Rb-analogues of fumarolic minerals.

Oleg I. Siidra, Diana O. Nekrasova, Dmitry O. Charkin, Anatoly N. Zaitsev, Artem S. Borisov, Marie Colmont, Olivier Mentré, Darya V. Spiridonova
Published: 29 September 2021
Mineralogical Magazine (2021) 85 (6): 831–845.
DOI: https://doi.org/10.1180/mgm.2021.73
...Table 2. Crystallographic parameters of known cryptochalcite-type A 2 [Cu 5 O(SO 4 ) 5 ] compounds. Mineral/Synthetic Cryptochalcite Cesiodymite Synthetic Formula K 2 [Cu 5 O(SO 4 ) 5 ] CsK[Cu 5 O(SO 4 ) 5 ] Rb 2 [Cu 5 O(SO 4 ) 5 ] Space group P ${\bar 1}$ P...
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Eleomelanite, (K 2 Pb)Cu 4 O 2 (SO 4 ) 4 , a new mineral species from the Tolbachik Volcano, Kamchatka, Russia

Igor V. Pekov, Natalia V. Zubkova, Atali A. Agakhanov, Nikita V. Chukanov, Dmitry I. Belakovskiy, Evgeny G. Sidorov, Sergey N. Britvin, Anna G. Turchkova, Dmitry Yu. Pushcharovsky
Published: 24 November 2020
The Canadian Mineralogist (2020) 58 (5): 625–636.
DOI: https://doi.org/10.3749/canmin.2000032
... scoria cone of the Northern Breakthrough of the Great Tolbachik Fissure Eruption, Tolbachik Volcano, Kamchatka, Russia. It is associated with euchlorine, fedotovite, wulffite, chalcocyanite, dolerophanite, dravertite, hermannjahnite, alumoklyuchevskite, klyuchevskite, piypite, cryptochalcite, cesiodymite...
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Dravertite, CuMg(SO 4 ) 2 , a new mineral species from the Tolbachik volcano, Kamchatka, Russia

Igor V. Pekov, Natalia V. Zubkova, Atali A. Agakhanov, Vasiliy O. Yapaskurt, Nikita V. Chukanov, Dmitry I. Belakovskiy, Evgeny G. Sidorov, Dmitry Y. Pushcharovsky
Published: 01 May 2017
European Journal of Mineralogy (2017) 29 (2): 323–330.
DOI: https://doi.org/10.1127/ejm/2017/0029-2596
.... In the Yadovitaya fumarole, it is associated with euchlorine, chalcocyanite, steklite, alumoklyuchevskite, piypite, parawulffite, cryptochalcite, dolerophanite, hematite, tenorite, vergasovaite, cupromolybdite, yaroshevskite and ziesite. Dravertite occurs as crude equant crystals up to 0.08 mm across forming...
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The sulfate-bearing associations of fumarolic environments of Somma-Vesuvius volcano (Italy): a review from historical samples (Royal Mineralogical Museum of Naples)

Annamaria Pellino, Angela Altomare, Fabio Bellatreccia, Piergiulio Cappelletti, G. Diego Gatta, Aurelia Falcicchio, Richard Herrington, Nicola Mondillo, Carmela Petti, Concetta Rispoli, Nicola Rotiroti, Mike Rumsey, Mattia Bonazzi, Giuseppina Balassone
Published: 26 February 2025
American Mineralogist (2025)
DOI: https://doi.org/10.2138/am-2024-9666
... phase (Tables 3 and S2). 314 315 316 Anhydrous copper sulfates 317 318 Cryptochalcite was observed in the samples 248cv, 557R-A, 558R and 6111 C735 (Table 2 319 and Fig. 3). It locally has small concentrations of Zn, Al and Mg (Tables 4 and S3). K concentration 320 is variable in the range 8.2-10.9 wt...
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Early Publication
Journal Article

Oxidizing-Type Fumaroles of the Tolbachik Volcano, a Mineralogical and Geochemical Unique

I.V. Pekov, A.A. Agakhanov, N.V. Zubkova, N.N. Koshlyakova, N.V. Shchipalkina, F.D. Sandalov, V.O. Yapaskurt, A.G. Turchkova, E.G. Sidorov
Published: 01 May 2020
Russ. Geol. Geophys. (2020) 61 (5-6): 675–688.
DOI: https://doi.org/10.15372/RGG2019167
...Fig. 4. Cs 2 ZnCl 4 aggregate (white) overgrowing, together with cryptochalcite (gray plates and their intergrowths), the face of nabokoite crystal. Arsenatnaya fumarole, Second scoria cone of the Northern Breakthrough of the Great Tolbachik Fissure Eruption. Back-scattered-electron SEM image. ...
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Minerals and materials: building principles and applications A special issue in honour of Giovanni Ferraris and Stefano Merlino

Massimo Nespolo, Marco Pasero
Published: 01 May 2018
European Journal of Mineralogy (2018) 30 (3): 411–412.
DOI: https://doi.org/10.1127/ejm/2018/0030-2776
...) . Eur. J. Mineral. , 30 , DOI: 10.1127/ejm/2018/0030-2740 . Pekov , I.V. , Zubkova , N.V. , Agakhanov , A.A. , Pushcharovsky , D.Yu. , Yapaskurt , V.O. , Belakovskiy , D.I. , Vigasina , M.F. , Sidorov , E.G. , Britvin , S.N. ( 2018 ): Cryptochalcite, K 2...
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