 | Sejkora, J., Plášil, J., Čejka, J., Dolníček, Z., Pavlíček, R. (2020) Molecular structure of the arsenate mineral chongite from Jáchymov – a vibrational spectroscopy study. Journal of GEOsciences, 65 (2) 111-120 | Journal (article/letter/editorial) | | structure of the arsenate mineral chongite from Jáchymov – a vibrational spectroscopy study Jiří SEJKORA1*...Cirkusová 1740, 193 00 Prague 9 – Horní Počernice, Czech Republic; jiri_sejkora@nm.cz Institute of Physics ASCR...1999/2, 182 21 Prague 8, Czech Republic Havlíčkova 388, Unhošť 27351, Czech Republic Corresponding author...the second world occurrence, which is Jáchymov (Czech Republic). Chongite occurs as colourless to white...composition, Raman and infrared spectroscopy, Jáchymov ore district Received: 14 May 2019; accepted: 17 November |  | | Journal (article/letter/editorial) | | (Česká republika) Burgessite, a new mineral for the Jáchymov ore district (Czech Republic) Jiří Sejkora1)*...1211-0329. Abstract Very rare mineral specie, burgessite Co2(H2O)4[AsO3(OH)]2(H2O), was identified at...sample from the Jáchymov ore district, Krušné hory Mountains, Czech Republic. Burgessite occurs as light...hydrogen-arsenate phase were found in the association. Burgessite is monoclinic, space group P21/n, the unit-cell...chemical composition (mean of 8 point analyses) of burgessite CaO 0.10, FeO 0.29, MgO 0.14, CuO 1.51, CoO 16 |  | | Report (issue) | | 99.115(8)° Z = 2 X-ray Powder Pattern: Jáchymov, Czech Republic. 7.431 (100), 6.215 (18), 3.717 (9), 3...91 (2) 30.66 47.16 22.18 100.00 (1) Jáchymov, Czech Republic; average of 23 electron microprobe analyses...zeunerite, Ni-rich burgessite. Distribution: From Jáchymov, Czech Republic. Name: Honors Czech mineralogist...mineralogist and collector of minerals from the Jáchymov ore district, Jan “Honza” Hloušek (1950-2014). Type Material:...Mineralogy and Petrology, National Museum, Prague, Czech Republic (P1N 38.099). References: (1) Sejkora, J., |  | | Journal (article/letter/editorial) | | freibergite from Beschert Glück mine, Freiberg district, Saxony, Germany (Senckenberg Museum Collection...National Museum, Prague, Czech Republic, and in the Mining Museum Příbram, Czech Republic. Yu.U. References...from the Alcaparrosa mine, Calama, Antofagasta region, Chile. European Journal of Mineralogy, 30(4),...Bytízite, a new Cu-Sb selenide from Příbram, Czech Republic. Mineralogical Magazine, 82(1), 199–209. The...entire district) within abandoned complex uranium and base-metal ore district of Příbram, Czech Republic |  | Sejkora, J., Števko, M., Škoda, R., Víšková, E., Toman, J., Hreus, S., Plášil, J., Dolníček, Z. (2021) Dobšináite, Ca2Ca(AsO4)2·2H2O, a new member of the roselite group from Dobšiná (Slovak Republic) Journal of GEOsciences, 66 (2) 127-135 | Journal (article/letter/editorial) | | member of the roselite group from Dobšiná (Slovak Republic) Jiří SEJKORA*1, Martin ŠTEVKO2,1, Radek ŠKODA3...National Museum, Cirkusová 1740, 193 00 Prague 9, Czech Republic; jiri.sejkora@nm.cz Earth Science Institute... Dúbravská cesta 9, 840 05 Bratislava, Slovak Republic Department of Geological Sciences, Faculty of...Masaryk University, Kotlářská 2, 611 37, Brno, Czech Republic Department of Mineralogy and Petrography, Moravian...659 37 Brno, Czech Republic Institute of Physics, Academy of Sciences of the Czech Republic v.v.i, Na Slovance |  | Hazen, Robert M., Hystad, Grethe, Golden, Joshua J., Hummer, Daniel R., Liu, Chao, Downs, Robert T., Morrison, Shaunna M., Ralph, Jolyon, Grew, Edward S. (2017) Cobalt mineral ecology. American Mineralogist, 102 (1) 108-116 doi:10.2138/am-2017-5798 | Journal (article/letter/editorial) | | Co)11Fe14(AsO4)18O12(OH)4·86H2O Oxidation of ores 1 31 Burgessite (2) Co2(H2O)4(AsO3OH)2·H2O Secondary weathering...deposit age Locality No. Co minerals 1. Bou Azer District, Tazenakht, 22 (1,3,5,6,11,13,15,20,22; 28,30...32,33,35,36,44,45,53,60,61,63,64) 2. Schneeberg District, Erzgebirge, Saxony, Germany 21 (4,6,20,22; 28...3. Jáchymov District, Karlovy Vary, 18 (1,5,6,11,15,20,21,22; 28,29,34,35, Region, Czech Republic 41...48,50,55,64) Democratic Republic of Congo 6. Cobalt area, Timiskaming District, Ontario, Canada 12 (1 |  | Steciuk, G., Sejkora, J., Čejka, J., Plášil, J., Hloušek, J. (2021) Krupičkaite, Cu6[AsO3(OH)]6·8H2O, a new copper arsenate mineral from Jáchymov (Czech Republic) Journal of GEOsciences, 66 (1) 37-50 | Journal (article/letter/editorial) | | Cu6[AsO3(OH)]6·8H2O, a new copper arsenate mineral from Jáchymov (Czech Republic) Gwladys STECIUK*1, Jiří SEJKORA2, Jiří...Sciences of the Czech Republic v.v.i, Na Slovance 2, 182 21 Prague 8, Czech Republic; steciuk@fzu.cz...Cirkusová 1740, 193 00 Prague 9, Czech Republic Jáchymov, Czech Republic; deceased Corresponding author...supergene mineral from the Rovnost I shaft in Jáchymov, Czech Republic. It forms aggregates of pale greenish-blue...originating from the famous Rovnost I shaft in Jáchymov, Czech Republic. It has been formed via oxidative weathering |  | | Journal (article/letter/editorial) | | (2003 - 2014) News and new minerals fom Jáchymov, Czech Republic (2003 - 2014) Jan Hloušek1)†, Jakub Plášil2)*...1211-0329. Abstract A famous ore district Jáchymov (Joachimsthal), Czech Republic, which has several times in...vysokýite), or new minerals for the Jáchymov ore district (bayleite, burgessite, chalcoalumite, chalconatronite...chemical composition, unit-cell parameters, Jáchymov, Czech Republic Obdrženo: 12. 11. 2014; přijato: 28. 11...osada Konradsgrün, dnešní Jáchymov byla založena roku 1516. Město Jáchymov (St. Joachimsthal; Vallis |  | | Journal (article/letter/editorial) | | brandholzite from Pernek, Malé Karpaty Mountains, Slovak Republic Jiří SEJKORA1,*, Daniel OZDÍN2, Rudolf ĎUĎA3 1...Museum, Václavské nám. 68, 115 79 Prague 1, Czech Republic; jiri_sejkora@nm.cz Department of Mineralogy...15 Bratislava, Slovak Republic Bystrická 87, 040 11 Košice-Pereš, Slovak Republic Corresponding author...deposit near Pernek (Malé Karpaty Mountains, Slovak Republic); it is the third occurrence of this mineral phase...supergene mineral association, Pernek, Slovak Republic Received: 10 December 2009; accepted: 24 May 2010; |  | Sejkora, J., Škovíra, J., Čejka, J., Plášil, J. (2009) Cu-rich members of the beudantite-segnitite series from the Krupka ore district, the Krušné hory Mountains, Czech Republic. Journal of GEOsciences, 54 (4) 355-371 | Journal (article/letter/editorial) | | series from the Krupka ore district, the Krušné hory Mountains, Czech Republic Jiří Sejkora1*, Jiří Škovíra2...79 Prague 1, Czech Republic; jiri_sejkora@nm.cz Martinka, 417 41 Krupka III, Czech Republic Corresponding...the Krupka deposit, Krušné hory Mountains, Czech Republic. They form yellow-green irregular to botryoidal...series (alunite supergroup) in the Krupka ore district. This paper is a part of the systematic research...Plášil et al. 2009a–c). The historical Krupka ore district is located northwest of the town of Teplice in |  | | Book | | transmission IR spectra of minerals in the far IR region. The PE discs are prepared at rather high temperatures...root-mean-square approximation of the spectrum in the region free of strong absorption. A review of the most...analysis for the IR spectrum of gmelinite-K in the region of Si–O-stretching vibrations carried out with...analysis for the IR spectrum of gmelinite-K in the region of Si–O-stretching vibrations carried out with...analysis for the IR spectrum of gmelinite-K in the region of Si–O-stretching vibrations carried out with |  | Ciesielczuk, Justyna, Dulski, Mateusz, Janeczek, Janusz, Krzykawski, Tomasz, Kusz, Joachim, Szełęg, Eligiusz (2020) Crystal Chemistry of an Erythrite-Köttigite Solid Solution (Co3–xZnx) (AsO4)2·8H2O. Minerals, 10 (6) 548 doi:10.3390/min10060548 | Journal (article/letter/editorial) | | available in the literature. The low-frequency region (i.e., <1000 cm−1 ) in the Raman spectra of the...available in the literature. The low-frequency region (i.e., <1000 cm–1) in the Raman spectra of the...of the erythrite–köttigite solid solution in the region Figure 9. Fitted Raman spectra of members of the...the erythrite–köttigite solid solution in the region of of stretching vibrations of [AsO4 ]. Shaded band...10). It is, however, possible to distinguish a region of ν4 and ν2 deformation modes of [AsO4 ] tetrahedra |  | | Journal (issue) | | interested in the uranium minerals of the Pr=ibram and Jáchymov districts in Czechoslovakia, and over four decades...vajdakite, a new molybdenum arsenate species from Jáchymov which he had first recognized and brought to the...magnesiofoitite (1999), lemanskiite (2006) and burgessite (2009). Josef Vajdak died on June 21, 2019, at...March 31, 1930, in Helena, Montana, the son of a Czech-born co-founder of the Bata Shoe Company in Zlin...as a civil engineer for the Metropolitan Water District. While working in the desert on the electric transmission |  | | Journal (issue) | | Met ACAM op zoektocht in Oost-Egypte 159-172 Burgessite, a new arsenate mineral species from the Keeley...net over de Tsjechische grens, in de buurt van Jáchymov was al bekend uit de negentiende eeuw. De Russen |
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