La gadolinite, parfois aussi connue sous le nom d'ytterbite, est un minéral composé principalement de silicates de cérium, lanthane, néodyme, yttrium, béryllium et fer, de formule (Ce,La,Nd,Y) 2 Fe Be 2 Si 2 O 10. On trouve de la gadolinite principalement en Suède, en Norvège et aux États-Unis (Texas et Colorado).
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Proprietà chimiche e fisiche del gadolinio. Nome elemento: gadolinio Numero atomico: 64 Simbolo: Do Peso Atomico: 157,25 Scoperta: Jean de Marignac 1880 (Svizzera) Configurazione elettronica: [Xe] 4f 7 5d 1 6s 2 Classificazione degli elementi: terre rare (lanthanide) Origine della parola: prende il nome dal minerale gadolinite. Densità (g/cc): 7.900 Punto di fusione (K): 1586
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Gadolinite-(Ce) is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram. Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 10 cm box) 688.66 ±172.17 grams of pure Gadolinite-(Ce) . Estimated Radioactivity from Gadolinite-(Ce) - weak ; Specimen Size Weight/Volume (Sphere) * Calculated
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Gadolinite is a silicate mineral of yttrium and berylliumwith the composition Be 2 FeY 2 Si 2 O 10. The sample at left is about 15 cm across and is from Saetersdalen, Norway. The mineral is named after J. Gadolin, the discoverer of yttrium. These samples are labeled gadolinite-(Y) because of the dominance of yttrium in the composition. ...
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Among them, the industrial minerals with application value are mainly bastnaesite and monazite, followed by ion-adsorbed rare earth ore, gadolinite, loparite, thortveitite, etc. According to statistics released by the US Bureau of Mines in 1985, the world 's rare earth resources reserves totaled 45 million tons (REO).
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Propriétés chimiques et physiques du gadolinium. Nom de l'élément : Gadolinium Numéro atomique : 64 Symbole : Dieu Masse atomique : 157,25 Découverte : Jean de Marignac 1880 (Suisse) Configuration électronique : [Xe] 4f 7 5d 1 6s 2 Classification des éléments : Terre rare (Lanthanide) Origine du mot : Nommé d'après le minéral gadolinite. Densité (g/cc): 7.900
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Gadolinite-(Y) Miyawaki R, Nakai I, Nagashima K (1984) A refinement of the crystal structure of gadolinite American Mineralogist 69 948-953: 1984: 0: 293: 0004599: Gadolinite-(Y) Camara F, Oberti R, Ottolini L, Ventura G D, …
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Gadolinium is a metal used in contrast materials for MRIs. It helps doctors see images better by providing more contrast between normal & abnormal tissues.
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Define gadolinite. gadolinite synonyms, gadolinite pronunciation, gadolinite translation, English dictionary definition of gadolinite. n. A dark green or greenish-black silicate mineral, Be2FeY2Si2O10, containing several of the rare-earth elements in combination with iron.
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Named for its relationship to gadolinite-(Y), but with neodymium as the dominant rare earth element. Gadolinite honors Johan Gadolin (5 June 1760, Turku, Finland - 15 August 1852, Mynämäki, Finland), chemist, physicist, and mineralogist.
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The Gadolinite Group of the Gadolinite Supergroup is defined on the basis of the tetrahedral cation Si 4+ on the T site. It is, according to the new classification established by IMA in 2016 …
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Les dépôts de gadolinite dans la mine d'Ytterby, au nord de Stockholm, sont maintenant épuisés. Récupération. Après une séparation complexe de l'autre Gadoliniumbegleiter, l'oxyde est mis à réagir avec du fluorure d'hydrogène en Gadoliniuimfluorid. Par la suite, cela est réduit avec le calcium avec la formation de fluorure de ...
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Gadolinite mineral data, information about Gadolinite, its properties and worldwide locations.
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The term "gadolinite" is often used as a synonym for cerium-bearing gadolinite — gadolinite-(Ce) — and yttrium-bearing gadolinite — gadolinite-(Y). Gadolinite Uses. Gadolinite's most notable characteristic is containing rare-earth …
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Tiny dark green bow tie of gadolinite occurs with colorless quartz in a miarolitic cavity in a granite boulder over the bank of the road at mile post 166 along Highway 20, in the Golden Horn Batholith, at Washington Pass, Okanogan County, Washington. (Chemical composition unknown. Both Gadolinite-(Ce) and -(Y) occur at Washington Pass ...
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Synonyms for gadolinite in Free Thesaurus. Antonyms for gadolinite. 1 synonym for gadolinite: ytterbite. What are synonyms for gadolinite?
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Meaning of gadolinite. What does gadolinite mean? Information and translations of gadolinite in the most comprehensive dictionary definitions resource on the web.
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Frikstad #7 Feldspar Quarry, Frikstad, Iveland, Agder, Norway - This is a very nice well-formed crystal of the unusual REE mineral gadolinite-(Y) from what is probably the world's best locality for the species, the Slobrekka pegmatite in southern Norway's famous Iveland Pegmatite District. Good crystals of this rare mineral have never been common, and I am …
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The Final Word on Gadolinite. Gadolinite, a fascinating mineral, holds a treasure trove of scientific significance.Named after Johan Gadolin, this mineral is a primary source of rare earth elements like yttrium and …
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Gadolinite-(Y) Miyawaki R, Nakai I, Nagashima K (1984) A refinement of the crystal structure of gadolinite American Mineralogist 69 948-953: 1984: 0: 293: 0004599: Gadolinite-(Y) Camara F, Oberti R, Ottolini L, Ventura G D, Bellatreccia F (2008) The crystal chemistry of Li in gadolinite American Mineralogist 93 996-1004: 2008: Vico lake, Latium ...
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Gadolinite Wikipedia Gadolinite,sometimes known as ytterbite,is a silicate mineral consisting principally of the silicates of cerium,lanthanum,neodymium,yttrium,beryllium,and iron. sbm 60x84 ac jaw crusher. sbm centrifugal dolomite crusher barbudo. sbm kenstar wet grinder price. sbm stone crusher credit. sbm cement plants amp; machinery
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Solid-solutions in a three component system of the type gadolinite (FesLn'g*,Be,SLOrc)-calciogadolinite (F.eP*CaLn8*BeSLO,o)-(HIn"*,Be^SLOro) are called gadolinites. The solid …
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Gadolinite, sometimes also known as Ytterbite, is a silicate mineral that consists principally of the silicates of cerium, lanthanum, neodymium, yttrium, beryllium, and iron with the formula (Ce,La,Nd,Y) 2 FeBe 2 Si 2 O 10. It is …
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Gadolinite (Gadolinite). La gadolinite, parfois aussi connue sous le nom d'ytterbite, est un minéral composé principalement de silicates de cérium, lanthane, néodyme, yttrium, béryllium et fer, de formule (Ce,La,Nd,Y)2FeBe2Si2O10. On trouve de la gadolinite principalement en Suède, en Norvège et aux États-Unis (Texas et Colorado). On l'a nommée gadolinite en 1800, en …
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Gadolinit-(Ce) mit Hämatit von den Wasserfallköpfen, Pfitscher Joch, Südtirol, Italien. Bildbreite 4,5 mm
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Changes in pegmatite environment during and after gadolinite formation may be devised by studying its crystal-chemical properties and a thorough observation of …
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There are more than 200 kinds of minerals containing rare earth elements and their compounds. Among them, the industrial minerals with application value are mainly bastnaesite and monazite, followed by ion …
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Gadolinite Wikipedia Gadolinite,sometimes known as ytterbite,is a silicate mineral consisting principally of the silicates of cerium,lanthanum,neodymium,yttrium,beryllium,and iron. sbm …
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