 | 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 |  | 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) | | 313–327 Rare-earth crystal chemistry of thalénite-(Y) from different environments MARKUS B. RASCHKE1,*...Associate Editor: Stuart Mills] ABSTR ACT Thalénite-(Y), ideally Y3Si3O10F, is a heavy-rare-earth-rich silicate...crystal structure and mineral chemistry of thalénite-(Y) were analysed by electron microprobe analysis, X-ray...granite of the Golden Horn batholith, Okanogan County, Washington State, USA, in comparison with new...batholith, Colorado, USA. The Golden Horn thalénite-(Y) occurs as late-stage sub-millimetre euhedral bladed |  | | 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...beryl, phenakite, helvite-danalite, milarite- and gadolinite-group minerals, bohseite-bavenite, NYF pegmatites...Be-minerals that comprise phenakite, chrysoberyl, gadolinite-, helvite- and rhodizite-group minerals, beryllonite...(helvite group); Si = 2 apfu, B = Ca, Be = 2–B (gadolinite group); Si = 12 apfu (milarite group); Si = 9 |
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Reunavare, Varjisträsk, Jokkmokk, Norrbotten County, Sweden