 | Škoda, Radek, Plášil, Jakub, Jonsson, Erik, Čopjaková, Renata, Langhof, Jörgen, Galiová, Michaela Vašinová (2015) Redefinition of thalénite-(Y) and discreditation of fluorthalénite-(Y): A re-investigation of type material from the Österby pegmatite, Dalarna, Sweden, and from additional localities. Mineralogical Magazine, 79 (4) 965-983 doi:10.1180/minmag.2015.079.4.07 | Journal (article/letter/editorial) | | Redefinition of thalénite-(Y) and discreditation of fluorthalénite-(Y): A re-investigation of type...type material from the Österby pegmatite, Dalarna, Sweden, and from additional localities RADEK ŠKODA1...Resources, Geological Survey of Sweden, Box 670, SE-751 28 Uppsala, Sweden Department of Earth Sciences...CEMPEG, Uppsala University, SE-752 36 Uppsala, Sweden Department of Geosciences, Swedish Museum of Natural...Natural History, Box 50007, SE-104 05 Stockholm, Sweden Department of Chemistry, Faculty of Science, Masaryk |  | | Journal (article/letter/editorial) | | pegmatite: Evidence for different mobility of Sc, Y, REE and Zr in hydrothermal conditions Jakub Výravský...the nodule containing pretulite precursors - Sc, Y, U, P-rich zircon and Sc,W-rich ixiolite - proceeded...complete dissolution of Sc, Y, U, P-rich zircon I. In-situ reprecipitation produced Y, U-depleted zircon II...inclusions of xenotime II and pretulite A (0.88–0.92 apfu Sc, 0.04–0.07 apfu Zr, b 0.03 apfu Y). During the...(0.21–0.89 apfu Sc, 0.09–0.78 apfu Zr, ≤0.07 apfu Y). The origin of pretulite C (almost ideal ScPO4) closely |  | Švecová, E., Čopjaková, R., Losos, Z., Škoda, R., Nasdala, L., Cícha, J. (2016) Multi-stage evolution of xenotime–(Y) from Písek pegmatites, Czech Republic: an electron probe micro-analysis and Raman spectroscopy study. Mineralogy and Petrology, 110 (6) 747-765 doi:10.1007/s00710-016-0442-6 | Journal (article/letter/editorial) | | 6 ORIGINAL PAPER Multi-stage evolution of xenotime–(Y) from Písek pegmatites, Czech Republic: an electron...degree of radiation damage, and alteration of xenotime from the Písek granitic pegmatites (Czech Republic)...analysis and Raman spectroscopy. Dominant large xenotime–(Y) grains enriched in U, Th and Zr crystallized...simultaneously with zircon, monazite and tourmaline. Xenotime is well to poorly crystalline depending on its...stage of the pegmatite evolution. The magmatic xenotime underwent intense secondary alteration, from rims |  | Matysová, Petra, Götze, Jens, Leichmann, Jaromír, Škoda, Radek, Strnad, Ladislav, Drahota, Petr, Grygar, Tomáš Matys (2016) Cathodoluminescence and LA-ICP-MS chemistry of silicified wood enclosing wakefieldite – REEs and V migration during complex diagenetic evolution. European Journal of Mineralogy, 28 (5) 869-887 doi:10.1127/ejm/2016/0028-2556 | Journal (article/letter/editorial) | | identified As-rich xenotime-(Y) and a solid solution of wakefieldite–(Ce) and wakefieldite–(Y), which locally...original anatomy of the wood. Key-words: wakefieldite, xenotime, silicified wood, quartz, trace elements, REE,...the leached wood parts and the local wakefieldite–xenotime accumulation surrounding silicified tracheids of...and alkali metals, and to understand wakefieldite/xenotime formation, which is a completely new feature....elements (REEs) vanadate mineral belonging to the xenotime group. Its general formula is ABO4, where the |  | Guastoni, Alessandro, Secco, Luciano, Škoda, Radek, Nestola, Fabrizio, Schiazza, Mariangela, Novák, Milan, Pennacchioni, Giorgio (2019) Non-Metamict Aeschynite-(Y), Polycrase-(Y), and Samarskite-(Y) in NYF Pegmatites from Arvogno, Vigezzo Valley (Central Alps, Italy) Minerals, 9 (5) 313 doi:10.3390/min9050313 | Journal (article/letter/editorial) | | Article Non-Metamict Aeschynite-(Y), Polycrase-(Y), and Samarskite-(Y) in NYF Pegmatites from Arvogno...accessory minerals including aeschynite-(Y), polycrase-(Y), and samarskite-(Y). They are associated with additional...minerals such as fluorite, Y-dominant silicates, and xenotime-(Y). The Y–Nb–Ti–Ta AB2 O6 and ABX2 O8...aeschynite-(Y), polycrase-(Y), and samarskite-(Y) by single-crystal X-ray diffraction. Aeschynite-(Y) and polycrase-(Y)...polycrase-(Y) crystals allowed for both to provide space groups whereas samarskite-(Y) was the first |  | | Journal (article/letter/editorial) | | III, milarite-agakhanovite-(Y) III, phenakite III, and datolite-hingganite-(Y) III. Chemical composition...Al in bazzite III; REE in milarite-agakhanovite-(Y) III; variations in Fe/Mn in helvite-danalite and...elements (REEs) includes lanthanoids (Ln), yttrium (Y), and scandium (Sc). Due to the substantially smaller...Ln, La–Gd) and smaller HREE (heavy Ln, Tb–Lu, and Y). 4. Results 4.1. Mineral assemblages of the examined...Apatite and REE-phosphates, monazite-(Ce) and xenotime-(Y), are very rare (Tab. 1). 4.2. Mineral assemblages |  | | Journal (article/letter/editorial) | | lutetium (Lu) in addition to scandium (Sc) and yttrium (Y)). The occurrence, distribution, and potential for...contribute 2.16% with Ce, Nd, Y, and La the most abundant at 32%, 17%, and 13% (Y and La) respectively of the...the total REE Ce, Nd, Y, and La the most abundant at 32%, 17%, and 13% (Y and La) respectively of the...and ancylite groups are reported three times, with Y-rich fluorite, burbankite, and yttrialite each rosenbuschite...and ancylite groups are reported three times, with Y-rich fluorite, burbankite, and reported yttrialite |  | Nasdala, Lutz, Akhmadaliev, Shavkat, Artac, Andreas, Chanmuang N., Chutimun, Habler, Gerlinde, Lenz, Christoph (2018) Irradiation effects in monazite–(Ce) and zircon: Raman and photoluminescence study of Au-irradiated FIB foils. Physics and Chemistry of Minerals, 45 (9) 855-871 doi:10.1007/s00269-018-0975-9 | Journal (article/letter/editorial) | | Si, sanidine; P, LaPO4; Ca and Th, CaTh(PO4) 2; Y, YAG; Zr, Z rSiO4; REEs, individu fSiO4; Pb, PbSe;...Magnin V, Mesbah A, Tribet M, Moloney MP, Serruys Y, Peuget S (2014) Swelling induced by alpha decay in...zircon: Part 2. A single-crystal X-ray study of xenotime substitution. Am Mineral 86:681–689 Firestone...rare-earth minerals. Am Mineral 51:152–158 Li W, Shen Y, Zhou Y, Nan S, Chen C-H, Ewing RC (2017) In situ TEM...107:441–454 Ni Y, Hughes JM, Mariano AN (1995) Crystal chemistry of the monazite and xenotime structures |
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