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scandium

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Journal Article
Published: 01 May 2020
The Canadian Mineralogist (2020) 58 (3): 367–379.
... al . (1990) , Langhof et al . (2000) , and the present paper. The availability of elements during crystallization is probably a more decisive requirement. Scandium is a very unusual minor element in helvine-group minerals. Borisenko (1963) reported up to 0.1 wt.% Sc 2 O 3 in helvine. Trace...
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Journal Article
Published: 01 March 2020
South African Journal of Geology (2020) 123 (1): 19–34.
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Journal Article
Published: 30 September 2019
The Canadian Mineralogist (2019) 57 (5): 799–801.
...Georg Steffenssen; Axel Müller; Nanna Rosing-Schow; Henrik Friis §   Corresponding author e-mail address : georg.steffenssen@gmail.com © 2019 Mineralogical Association of Canada 2019 Scandium concentrations of the investigated garnets range from 14 to 2197 ppm. The highest Sc...
Journal Article
Published: 15 July 2019
The Canadian Mineralogist (2019) 57 (4): 489–498.
...°. §   Corresponding author e-mail address : pietro.vignola@idpa.cnr.it , pietroevignola@gmail.com 15 February 2019 18 April 2019 The miarolitic NYF pegmatites hosted by the calc-alkaline Baveno pluton contain an important Sc-minerals association. Indeed, six of the 19 known scandium mineral...
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Journal Article
Published: 01 May 2018
American Mineralogist (2018) 103 (5): 819–823.
... Cpx/SM for Sc 3+ can be demonstrated to be fractionated from the D Cpx/SM for mixed V 4+ and V 5+ , which are present in oxidized basalts. Manuscript handled by Ian Swainson Oxygen fugacity upper mantle vanadium scandium partitioning clinopyroxene silicate melt 4 1 2018...
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Journal Article
Published: 01 June 2017
American Mineralogist (2017) 102 (6): 1244–1253.
..., a single, well-defined quadrupolar peak shape is present in the range typical for ScO 6 sites ( Fig. 7 ). This peak and the parameters derived from both 14.1 and 18.8 T data ( Table 2 ) do not resemble previously reported spectra for known scandium phases, such as the Sc 2 O 3 synthesized at the same...
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Journal Article
Journal: Geology
Published: 01 September 2016
Geology (2016) 44 (9): 751–754.
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Series: Reviews in Economic Geology, Reviews in Economic Geology
Published: 01 January 2016
DOI: 10.5382/Rev.18.13
EISBN: 9781629490922
...), berzelianite (Cu 2 Se), eucairite (CuAgSe), greenockite (CdSe), and naumannite (Ag 2 Se). Consideration of scandium as a by-product of sandstonehosted uranium deposits is unusual, considering that the enrichment relative to barren host rocks is slight (<2 times) and the measured concentration in ore...
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Journal Article
Published: 01 September 2015
The Canadian Mineralogist (2015) 53 (5): 833–844.
..., J.E. & Chen, T.T. ( 2009 ) The behaviour of scandium, yttrium and uranium during jarosite precipitation . Hydrometallurgy 98 , 128 – 135 . Dutrizac, J.E. &...
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Journal Article
Published: 01 July 2015
American Mineralogist (2015) 100 (7): 1434–1451.
.... Overgrowing (TurP2) and replacing (TurS) Li-rich fluor-schorl to fluor-elbaite is typically depleted in Sc (21–60 ppm) and Y+REE (3–47 ppm) with well-developed tetrad effect in the first (La-Nd) and the second (Sm-Gd) tetrads. Scandium- and REE-rich black tourmaline (TurP1) crystallized earlier from the melt...
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Journal Article
Published: 01 April 2014
American Mineralogist (2014) 99 (4): 654–666.
... with contrast optimized for ( a ) silicates and oxides and ( b ) alloys. Note the difference in Z contrast between hexamolybdenum and the Ni-Fe-Ir-Ru alloy in the upper left of the panel. Several minerals with high scandium contents have been found in meteorites including davisite, panguite, kangite...
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Journal Article
Published: 01 November 2013
American Mineralogist (2013) 98 (11-12): 2193–2196.
... included in the discussion of the following sections. Experiments were prepared in a 1 atm Deltech gas mixing furnace. These runs were made using a spiked composition of martian meteorite Y98. The REEs were added as 0.6 wt% of their oxides (Ce as CeO 2 ). Scandium and V were added as Sc 2 O 3 and V...
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Journal Article
Published: 27 September 2013
Geochemistry: Exploration, Environment, Analysis (2013) 13 (4): 249–266.
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Journal Article
Published: 01 May 2013
American Mineralogist (2013) 98 (5-6): 870–878.
... Mineralogical Association (IMA 2011-092). The name is derived from “kang,” the Chinese word for the element scandium. Holotype material has been deposited under catalog USNM 7555 in the Smithsonian Institution’s National Museum of Natural History, Washington D.C., U.S.A. Section USNM 7555 also contains type...
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Journal Article
Published: 01 May 2013
Scottish Journal of Geology (2013) 49 (1): 15–31.
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Journal Article
Published: 01 July 2012
American Mineralogist (2012) 97 (7): 1219–1225.
... based on earlier comparative studies of bixbyite-type scandium- and rare-earth sesquioxides ( Ubaldini and Carnasciali 2008 ) and subsequently refined based on the observed energies of Raman shifts in panguite ( Dowty 1987 ). We processed the observed Raman spectrum by removing the background...
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Journal Article
Published: 01 April 2010
Mineralogical Magazine (2010) 74 (2): 365–373.
...). * E-mail: irina.galuskina@us.edu.pl 12 5 2010 19 2 2010 © The Mineralogical Society 2010 eringaite scandium garnet group EBSD single-crystal Raman Wiluy River Sakha-Yakutia Republic Russia T he finding of Ti-Zr garnets with Sc 2 O 3 of ∼6 wt.% in unusual...
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Journal Article
Published: 01 March 2010
European Journal of Mineralogy (2010) 22 (2): 309–316.
...Uwe Kolitsch; Roy Kristiansen; Gunnar Raade; Ekkehart Tillmanns Abstract Heftetjernite, ideally ScTaO 4 , is a new scandium mineral from the Heftetjern pegmatite, Tørdal, Telemark, Norway. In the type specimen, it occurs as minute, elongate tabular, very dark brown crystals in a single small void...
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Journal Article
Published: 01 February 2010
The Canadian Mineralogist (2010) 48 (1): 51–68.
...Maria Wierzbicka-Wieczorek; Uwe Kolitsch; Ekkehart Tillmanns Abstract Three new scandium silicates with framework structures made of octahedra and tetrahedra, KSrScSi 2 O 7 , NaBaScSi 2 O 7 and RbBaScSi 3 O 9 , were obtained through a high-temperature flux-growth technique. Their crystal structures...
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Journal Article
Published: 01 May 2009
American Mineralogist (2009) 94 (5-6): 845–848.
... on chemical analyses ( Davis 1984 ; Davis and Hinton 1985 ; Simon et al. 1996 ; El Goresy et al. 2002 ; Lin et al. 2003 ). We report here the occurrence, composition and crystal structure of a clinopyroxene from the Allende meteorite, CaScAlSiO 6 , where scandium is the dominant trivalent component...
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