Výsledky vyhledávání - "Juraj Majzlan"

Akademický článek

Hydrogen disorder in kaatialaite Fe[AsO2(OH)2]5H2O from Jáchymov, Czech Republic: determination from low-temperature 3D electron diffraction

Autor: Gwladys Steciuk, Juraj Majzlan, Jakub Plášil

Publikováno v: IUCrJ, Vol 8, Iss 1, Pp 116-123 (2021)

Kaatialaite mineral Fe[AsO2(OH)2]5H2O from Jáchymov, Czech Republic forms white aggregates of needle-shaped crystals with micrometric size. Its structure at ambient temperature has already been reported but hydrogen atoms could not be identified fro

Externí odkaz: https://doaj.org/article/aff46cd2f9c6485eb24f0df15af4faba

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Monazite-(Gd), a new Gd-dominant mineral of the monazite group from the Zimná Voda REE-U-Au quartz vein, Prakovce, Western Carpathians, Slovakia

Autor: Martin Ondrejka, Pavel Uher, Štefan Ferenc, Juraj Majzlan, Kilian Pollok, Tomáš Mikuš, Stanislava Milovská, Alexandra Molnárová, Radek Škoda, Richard Kopáčik, Sergii Kurylo, Peter Bačík

Publikováno v: Mineralogical Magazine. :1-22

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5778ad7767e701d4d3ec3d3f176c54c6
https://doi.org/10.1180/mgm.2023.37

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Thermodynamic and structural variations along the olivenite–libethenite solid solution

Autor: Juraj Majzlan, Alexandra Plumhoff, Martin Števko, Gwladys Steciuk, Jakub Plášil, Edgar Dachs, Artur Benisek

Publikováno v: European Journal of Mineralogy. 35:157-169

Many natural secondary arsenates contain a small fraction of phosphate. In this work, we investigated the olivenite–libethenite (Cu2(AsO4)(OH)–Cu2(PO4)(OH)) solid solution as a model system for the P–As substitution in secondary minerals. The s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e333d3b30bc6ff9cec3572e34dac912d
https://doi.org/10.5194/ejm-35-157-2023

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Akademický článek

Stability and solubility of members of tin perovskites in the schoenfliesite subgroup, □2(BSn4+)(OH,O)6 (B = Ca, Fe3+, Mg, Mn2+, Zn, Cu)

Autor: Patrick Haase, Helena Gorniak Christensen, Ulla Gro Nielsen, Christian Bender Koch, Zbigniew Galazka, Juraj Majzlan

Publikováno v: Chemical Thermodynamics and Thermal Analysis, Vol 1, Iss , Pp 100005- (2021)

In this work, we determined thermodynamic properties of a suite of tin perovskites □2(BSn4+)(OH,O)6 that correspond to the minerals burtite (B = Ca), jeanbandyite (Fe3+), schoenfliesite (Mg), wickmanite (Mn), vismirnovite (Zn), and mushistonite (Cu

Externí odkaz: https://doaj.org/article/fe628bec1fe74be7b92471bee4383158

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Akademický článek

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Thermodynamics and crystal structures of krautite, Mn[AsO3(OH)]⋅H2O, koritnigite, Zn[AsO3(OH)]⋅H2O and cobaltkoritnigite, Co[AsO3(OH)]⋅H2O

Autor: Juraj Majzlan, Jakub Plášil, Edgar Dachs

Publikováno v: Mineralogical Magazine. 87:194-203

Synthetic samples of krautite, Mn[AsO3(OH)]⋅H2O, koritnigite, Zn[AsO3(OH)]⋅H2O and cobaltkoritnigite, Co[AsO3(OH)]⋅H2O, were used for calorimetric experiments. For krautite and koritnigite, single-crystal X-ray diffraction was used to determine

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::89211b838dc0f3ba002cb901524c09b4
https://doi.org/10.1180/mgm.2022.140

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Argentotetrahedrite-(Cd), Ag6(Cu4Cd2)Sb4S13, a new member of the tetrahedrite group from Rudno nad Hronom, Slovakia

Autor: Tomáš Mikuš, Jozef Vlasáč, Juraj Majzlan, Jiří Sejkora, Gwladys Steciuk, Jakub Plášil, Christiane Rößler, Christian Matthes

Publikováno v: Mineralogical Magazine. 87:262-270

Argentotetrahedrite-(Cd), Ag6(Cu4Cd2)Sb4S13, has been approved as a new mineral species by the Commission on New Minerals, Nomenclature and Classification of the International Mineralogical Association using samples from Rudno nad Hronom, Slovak Repu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e2eb6687cbfaae15bdb26b1e058f4532
https://doi.org/10.1180/mgm.2022.138

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Calorimetric study of skutterudite (CoAs2.92) and heazlewoodite (Ni3S2)

Autor: Juraj Majzlan, Stefan Kiefer, Kristina Lilova, Tamilarasan Subramani, Alexandra Navrotsky, Marek Tuhý, Anna Vymazalová, Dmitriy A. Chareev, Edgar Dachs, Artur Benisek

Publikováno v: American Mineralogist. 107:2219-2225

Nickel and cobalt arsenides, sulfarsenides, and sulfides occur in many hydrothermal ore deposits, but their thermodynamic properties are not well known, in some cases not known at all. In this work, we determined a full set of thermodynamic propertie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::88b7ce8def29fe2e7faba54fdd856269
https://doi.org/10.2138/am-2022-8337

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Machine learning-based prediction of toxic metals concentration in an acid mine drainage environment, northern Tunisia

Autor: Mariem Trifi, Anis Gasmi, Cristina Carbone, Juraj Majzlan, Nesrine Nasri, Mohja Dermech, Abdelkrim Charef, Hamza Elfil

Publikováno v: Environmental Science and Pollution Research. 29:87490-87508

In northern Tunisia, Sidi Driss sulfide ore valorization had produced a large waste amount. The long tailings exposure period and in situ minerals interactions produced an acid mine drainage (AMD) which contributed to a strong increase in the mobilit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ef67ac6361dca7ffc2a09479d34d3f82
https://doi.org/10.1007/s11356-022-21890-8

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