 | Skoda, R., Cempirek, J., Filip, J., Novak, M., Veselovsky, F., Ctvrtlik, R. (2012) Allanite-(Nd), CaNdAl2Fe2+(SiO4)(Si2O7)O(OH), a new mineral from Askagen, Sweden. American Mineralogist, 97 (5) 983-988 doi:10.2138/am.2012.3936 | Journal (article/letter/editorial) | | CaNdAl2Fe2+(SiO4)(Si2O7)O(OH), a new mineral from Åskagen, Sweden Radek Škoda,1,* Jan Cempírek,2 Jan Filip,3...Nd-analog of allanite-(Ce), occurs in the Åskagen pegmatite, central Sweden. It forms fine-grained aggregates...altered thalénite-(Y). The other associated minerals include: iimoriite-(Y), keiviite-(Y), allanite-(Y), and...and tengerite-(Y). Allanite-(Nd) is biaxial (–); with refractive indices α = 1.723(5), β = 1.754(7),...Epidote supergroup, allanite, neodymium, pegmatite, Åskagen Introduction Minerals belonging to the allanite |  | | Report (issue) | | crystals to 0.5 mm in aggregates in altered thalénite-(Y); as crude crystals to ~0.5 m. Physical Properties:...Z = 2 X-Ray Diffraction Pattern: Åskagen pegmatite, Värmland, Sweden. 2.89 (100), 2.70 (60), 2.61 (60)...54 10.85 0.41 [1.58] 99.37 (1) Åskagen pegmatite, Värmland, Sweden; average electron microprobe analysis...pegmatite (Sweden). Association: Iimoriite-(Y), keiviite-(Y), allanite-(Y), tengerite-(Y). Distribution:...Distribution: At the Åskagen pegmatite, Värmland, Sweden [TL]. At the Kingman pegmatite, Cerbat Range, ~1.5 km |  | Raschke, Markus B., Anderson, Evan J. D., Van Fosson, Jason, Allaz, Julien M., Smyth, Joseph R., Škoda, Radek, Persson, Philip M., Becker, Randy (2018) Rare-earth crystal chemistry of thalénite-(Y) from different environments. Mineralogical Magazine, 82 (2) 313-327 doi:10.1180/minmag.2017.081.044 | Journal (article/letter/editorial) | | pp. 313–327 Rare-earth crystal chemistry of thalénite-(Y) from different environments MARKUS B. RASCHKE1...2017; Associate Editor: Stuart Mills] ABSTR ACT Thalénite-(Y), ideally Y3Si3O10F, is a heavy-rare-earth-rich...The crystal structure and mineral chemistry of thalénite-(Y) were analysed by electron microprobe analysis...granite of the Golden Horn batholith, Okanogan County, Washington State, USA, in comparison with new...Peak batholith, Colorado, USA. The Golden Horn thalénite-(Y) occurs as late-stage sub-millimetre euhedral |  | 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...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) | | 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...magmatic Be-minerals within a single pegmatite district is exceptional and it is constrained by variable...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 |  | | Journal (article/letter/editorial) | | supergroup from Fe-REE deposits of Bastnäs-type, Sweden RADEK ŠKODA1,*, JAKUB PLÁŠIL2, RENATA ČOPJAKOVÁ1...Resources, Geological Survey of Sweden, Box 670, SE-751 28 Uppsala, Sweden Department of Earth Sciences...Sciences, Uppsala University, SE-752 36 Uppsala, Sweden Department of Chemistry, Faculty of Science, Masaryk...Research Council, Box 1035, SE-101 38 Stockholm, Sweden [Received 26 January 2017; Accepted 7 June 2017;...Malmkärra mine, ∼3.5 km WSW of Norberg, south-central Sweden, where it occurs in association with fluorbritholite-(Ce) |
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Åskagen Quarry, Persberg ore district, Filipstad, Värmland County, Sweden