 | Plášil, J., Sejkora, J., Čejka, J., Škoda, R., Goliáš, V. (2009) Supergene mineralization of the Medvědín uranium deposit, Krkonoše Mountains, Czech Republic. Journal of GEOsciences, 54 (1) 15-56 | Journal (article/letter/editorial) | | mineralization of the Medvědín uranium deposit, Krkonoše Mountains, Czech Republic† Jakub Plášil1,2*, Jiří...Museum, Václavské nám. 68, 115 79 Prague 1, Czech Republic; jakub_plasil@nm.cz Institute of Geochemistry...Faculty of Science, Albertov 6, 128 43 Prague 2, Czech Republic Institute of Earth Sciences, Faculty of Science...Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic Corresponding author Dedicated to everlasting...mineralization of the hydrothermal vein uranium deposit Medvědín (Krkonoše Mts., northern Bohemia) is rather |  | Polák, Luboš, Ferenc, Štefan, Biroň, Adrián, Sýkorová, Martina (2016) Uranofán zo Seliec pri Banskej Bystrici (Starohorské vrchy, Slovenská republika) [Uranophane from Selce at Banská Bystrica (Starohorské vrchy Mts., Slovak Republic)]. Bulletin mineralogicko-petrologického oddělení Národního muzea v Praze, 24 (2) 178-182 | Journal (article/letter/editorial) | | republika) Uranophane from Selce at Banská Bystrica (Starohorské vrchy Mts., Slovak Republic) Ľuboš Polák1)*...1211-0329. Abstract Uranophane was identified in Permian arkoses containing uranium mineralization at the...the Selce village (Banská Bystrica district), Starohorské vrchy Mts. It forms globular aggregates (up...rocks fissures, also it fills rock cavities. Uranophane has a light to dark yellow colour, with yellow...boltwoodite (?), malachite and hydrated Mn oxides. Uranophane was identified by powder X-ray diffraction data |  | | Journal (article/letter/editorial) | | republika) Phurcalite and uranophane-beta from Ruprechtice near Liberec (Czech Republic) Jiří Sejkora1)*, Jaromír...2570-7337 Abstract A rare uranium supergene minerals, phurcalite and uranophane-beta, were found in association...Ruprechtice near Liberec (northern Bohemia, Czech Republic). Phurcalite occurs there as bright to deep...43(1)o and V 1436.3(2) Å3. Chemical analyses of uranophane-beta correspond to the empirical formula Ca1...96(AsO4)0.04·6H2O. Key words: phurcalite, uranophane-beta, uranium minerals, unit-cell parameters, chemical |  | | Journal (article/letter/editorial) | | republika) Selected supergene uranium minerals from the Tachov ore area (Czech Republic) Jiří Sejkora1) a Ivan...Abstract The occurrence of three uranyl minerals (uranophane-beta, metauranocircite, metatorbernite) was found...(western Bohemia, Czech Republic). Uranophane-beta was determined at abandoned uranium deposit Vítkov II. It...41(1)o and V 1431.6(2) Å3. Chemical analyses of uranophane-beta correspond to the empirical formula (Ca1...product of in-situ supergene alteration of primary uranium mineralization in environment under the present |  | | Journal (article/letter/editorial) | | Sciences of the Czech Republic v.v.i, Na Slovance 2, 182 21, Prague 8, Czech Republic; plasil@fzu.cz Oxidation–hydration...knowledge of such processes and stabilities of the uranium minerals is of the great interest namely due to...summarize the state-of-art of the current knowledge on uranium-related topics as well and identify some of the...if briefly, in the pioneering book “Secondary Uranium Minerals” by Čejka and Urbanec (1990) which has...served, for a long-time, as a guide for beginning uranium mineralogists. Keywords: weathering of uraninite |  | Polák, Luboš, Ferenc, Štefan, Mikuš, Tomáš, Sejkora, Jiří (2017) Nové údaje o uranylových mineráloch z lokality Selce pri Banskej Bystrici (severné veporikum, Slovenská republika) [New data on uranyl minerals from Selce occurrence at Banská Bystrica (North Veporicum Unit, Slovak Republic)]. Bulletin Mineralogie Petrologie, 25 (2) 162-169 | Journal (article/letter/editorial) | | Banská Bystrica (North Veporicum Unit, Slovak Republic) Ľuboš Polák1)*, Štefan Ferenc1), Tomáš Mikuš2)...Bystrica (Slovak Republic). They were identified in Permian arkoses containing primary uranium and copper mineralization...a 7.212(3), c 17.707(3) Å and V 921.05(1) Å3. Uranophane forms globular aggregates (up to 0.15 mm in size)...boltwoodite, metasaléeite, uranophane, zeunerite, Veporicum Unit, Slovak Republic Obdrženo: 9. 11. 2017;...Secondary uranium minerals: The Mineralogy, Geochemistry and Crystal Chemistry of the Secondary Uranium (VI) |  | Plášil, J., Kampf, A. R., Sejkora, J., Čejka, J., Škoda, R., Tvrdý, J. (2018) Horákite, a new hydrated bismuth uranyl-arsenate-phosphate mineral from Jáchymov (Czech Republic) with a unique uranyl-anion topology. Journal of GEOsciences, 63 (3) 265-276 | Journal (article/letter/editorial) | | uranyl–arsenate–phosphate mineral from Jáchymov (Czech Republic) with a unique uranyl-anion topology Jakub...Sciences of the Czech Republic (ASCR) v.v.i, Na Slovance 2, 182 21 Prague 8, Czech Republic; plasil@fzu.cz...National Museum, Cirkusová 1740, 193 00 Prague 9, Czech Republic Department of Geological Sciences, Faculty...Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic Corresponding author Horákite, ideally (Bi...discovered on a specimen originating from Jáchymov, Czech Republic (most probably from the Geister vein, Rovnost |  | Sejkora, J., Plášil, J., Císařová, I., Škoda, R., Hloušek, J., Veselovský, F., Jebavá, I. (2011) Interesting supergene Pb-rich mineral association from the Rovnost mining field, Jáchymov (St. Joachimsthal), Czech Republic. Journal of GEOsciences, 56 (3) 257-271 | Journal (article/letter/editorial) | | mining field, Jáchymov (St. Joachimsthal), Czech Republic Jiří Sejkora1*, Jakub Plášil2, Ivana Císařová3...Museum, Václavské nám. 68, 115 79 Prague 1, Czech Republic; jiri_sejkora@nm.cz Mineralogical Crystallography...University, Hlavova 2030, 128 40 Prague 2, Czech Republic Institute of Geological Sciences, Masaryk University...611 37 Brno, Czech Republic U Roháčových kasáren 24, 100 00 Prague 10, Czech Republic Czech Geological...Geological Survey, Geologická 6, 152 00 Prague 5, Czech Republic Corresponding author Rich supergene mineral association |  | | Journal (article/letter/editorial) | | uraninite from the Červená vein, Jáchymov (Czech Republic): a fingerprint of the primary mineralization...Sciences of the Czech Republic v.v.i, Na Slovance 2, 182 21 Prague 8, Czech Republic; plasil@fzu.cz Department...National Museum, Cirkusová 1740, 193 00 Prague 9, Czech Republic 3 Department of Geological Sciences, Faculty...Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic 4 Institute of Geochemistry, Mineralogy and...Prague 2, Czech Republic 5 Mining Museum Příbram, náměstí Hynka Kličky 293, 261 01 Příbram VI, Czech Republic |  | | Journal (article/letter/editorial) | | Between 1948 and 1952 uranium ore was mined in Miedzianka, producing some 15 tons of uranium metal (Siuda &...Miedzianka is a type locality for uranophane. The Miedzianka ore deposit occurs within diopside amphibolites...in the spectral region of 900–800 cm−1. There are, however, strong bands in that region observed in the...the assignment of the strong Raman bands in the region of 900–800 cm−1 to vibrations of (AsO4) 3and (HOAsO4)2-...intensity of the most intense band in the 900–800 cm−1 region and its shift towards lower wavenumbers typical |
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Medvědín uranium deposit, Medvědín, Špindlerův Mlýn, Trutnov District, Hradec Králové Region, Czech Republic