TERMIUM Plus^®

Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 DEF

A group of elements having atomic numbers from 57 to 71 usually with the inclusion of scandium and yttrium, which though outside this range, have similar properties.  2, record 1, English, - rare%20earth%20metals

Record number: 1, Textual support number: 1 OBS

These [metals] have the source arrangement of the two external shells of electrons in their atoms, and resemble one another very closely in chemical and physical properties, being thus most difficult to separate from each other. It is to this, rather than their actual rarity in nature, that they are so described.  3, record 1, English, - rare%20earth%20metals

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 CONT

On désigne sous le nom de «métaux des terres rares» quinze éléments consécutifs de la classification, allant du numéro 57 au numéro 71. Ce sont le lanthane, le cérium, le praséodyme, le néodyme, le prométhéum, le somarium, l'europium, le gadolinium, le terbium, le dysprosium, l'holmium, l'erbium, le thulium, l'hytterbium et le lutétium. À ce groupe on adjoint fréquemment le scandium et l'yttrium, de propriétés très voisines.  2, record 1, French, - m%C3%A9taux%20des%20terres%20rares

Record 1,  Textual support,  Spanish

Record 2,  Textual support,  English

Record number: 2, Textual support number: 1 CONT

A rare earth element is one which belongs to a group of seventeen chemically similar metallic elements, comprising the fifteen members of the lanthanide series... and also scandium and yttrium.  2, record 2, English, - rare%2Dearth%20element

Record number: 2, Textual support number: 2 CONT

The name might be a bit of a misnomer. Most REEs aren’t actually that rare. ... The rarity really comes from the fact that these elements are often difficult to mine because they are rarely found in concentrations that make them economically viable to mine.  2, record 2, English, - rare%2Dearth%20element

Record number: 2, Textual support number: 1 OBS

Rare earth elements are essential for many advanced technologies.  3, record 2, English, - rare%2Dearth%20element

Record 2,  Textual support,  French

Record number: 2, Textual support number: 1 CONT

Un élément de terre rare est l'une des 17 substances métalliques trouvées sur le tableau périodique. Malgré leur nom, ces substances ne sont pas si rares. Elles sont simplement difficiles à extraire.  3, record 2, French, - %C3%A9l%C3%A9ment%20de%20terres%20rares

Record number: 2, Textual support number: 2 CONT

Les éléments de terres rares sont essentiels pour la technologie de tous les jours, ce qui les rend extrêmement précieux. Les fabricants comptent sur les éléments pour produire des smartphones, des véhicules électriques et des composants d'énergie renouvelable.  3, record 2, French, - %C3%A9l%C3%A9ment%20de%20terres%20rares

Record 2,  Textual support,  Spanish

Record 3,  Textual support,  English

Record number: 3, Textual support number: 1 DEF

A brown, yellow, or reddish tetragonal mineral which consists of a natural phosphate of yttrium(with often other rare earths or other elements) occurring in granites and pegmatites.  3, record 3, English, - xenotime

Record number: 3, Textual support number: 1 OBS

Chemical formula: YPO₄  3, record 3, English, - xenotime

Record 3,  Textual support,  French

Record number: 3, Textual support number: 1 DEF

Minéral fréquent des granites et pegmatites, constitué de phosphate naturel d'yttrium (et d'autres éléments du même groupe), de même structure que le zircon.  3, record 3, French, - x%C3%A9notime

Record number: 3, Textual support number: 1 OBS

xénotime : étymologie : du grec Xénos, «étranger», et timê, «honneur». Allusion au fait qu'on se croyait en présence d'un nouvel élément, au lieu et place de l'yttrium.  3, record 3, French, - x%C3%A9notime

Record number: 3, Textual support number: 2 OBS

Formule chimique : YPO₄  3, record 3, French, - x%C3%A9notime

Record 3,  Textual support,  Spanish

Record number: 3, Textual support number: 1 DEF

Fosfato de itrio [...] que cristaliza en el sistema cuadrático [...]  1, record 3, Spanish, - xenotima

Record number: 3, Textual support number: 1 OBS

[...] sus prismas de color pardusco, a veces verdoso, constituyen la mena principal del itrio.  1, record 3, Spanish, - xenotima

Record number: 3, Textual support number: 2 OBS

Fórmula química: YPO₄  2, record 3, Spanish, - xenotima

Record 4,  Textual support,  English

Record number: 4, Textual support number: 1 DEF

An yttrium silicate... found as translucent monoclinic crystals.  1, record 4, English, - thalenite

Record 4,  Textual support,  French

Record number: 4, Textual support number: 1 DEF

Silicate hydraté naturel d'yttrium [...]  1, record 4, French, - thal%C3%A9nite

Record 4,  Textual support,  Spanish

Record number: 4, Textual support number: 1 DEF

Silicato de itrio, que cristaliza en el sistema monoclínico.  1, record 4, Spanish, - thalenita

Record 5,  Textual support,  English

Record number: 5, Textual support number: 1 DEF

A black mineral which consists of a borosilicate of the cerium and yttrium metals, and calcium chiefly.  2, record 5, English, - melanocerite

Record 5,  Textual support,  French

Record number: 5, Textual support number: 1 DEF

Borosilicate naturel de cérium, d'yttrium et de calcium.  1, record 5, French, - m%C3%A9lanoc%C3%A9rite

Record 5,  Textual support,  Spanish

Record number: 5, Textual support number: 1 DEF

Borosilicato de cerio, itrio y calcio [que] cristaliza en el sistema romboédrico.  1, record 5, Spanish, - melanocerita

Record 6,  Textual support,  English

Record number: 6, Textual support number: 1 DEF

A mineral... consisting of a black oxide of yttrium, cerium, calcium, tantalum, and zirconium.  1, record 6, English, - loranskite

Record 6,  Textual support,  French

Record number: 6, Textual support number: 1 DEF

Tantalate zirconifère naturel, avec cérium, yttrium, voisin de la samarskite.  1, record 6, French, - loranskite

Record 6,  Textual support,  Spanish

Record number: 6, Textual support number: 1 DEF

Tantalato de circonio, con cerio e itrio [...]  1, record 6, Spanish, - loranskita

Record number: 6, Textual support number: 1 OBS

[Tantalato] parecido a la samarskita.  1, record 6, Spanish, - loranskita

Record 7,  Textual support,  English

Record number: 7, Textual support number: 1 DEF

A titano-silicate of calcium, yttrium, and other metals.  2, record 7, English, - keilhauite

Record 7,  Textual support,  French

Record number: 7, Textual support number: 1 DEF

Titanite contenant de l'yttrium.  2, record 7, French, - keilhauite

Record 7,  Textual support,  Spanish

Record 8,  Textual support,  English

Record number: 8, Textual support number: 1 DEF

A massive grayish green yttrium silicate containing iron and fluorine.  1, record 8, English, - rowlandite

Record 8,  Textual support,  French

Record number: 8, Textual support number: 1 DEF

Silicate naturel de fer, d'yttrium, de lanthane et de cérium.  1, record 8, French, - rowlandite

Record 8,  Textual support,  Spanish

Record 9,  Textual support,  English

Record number: 9, Textual support number: 1 DEF

A black mineral that contains yttrium, iron, manganese, uranium, calcium, columbium, tantalum, tin, and tungsten oxide, is often metamict, and has uncertain affinities.  2, record 9, English, - hjelmite

Record 9,  Textual support,  French

Record 9,  Textual support,  Spanish

Record 10,  Textual support,  English

Record number: 10, Textual support number: 1 DEF

An olive-green mineral which consists of a silicate of the yttrium metals, thorium and cerium metals.  1, record 10, English, - yttrialite

Record 10,  Textual support,  French

Record number: 10, Textual support number: 1 DEF

Minéral constitué de silicate de thorium et d'yttrium se présentant en cristaux brunâtres.  2, record 10, French, - yttrialite

Record number: 10, Textual support number: 1 OBS

[L'yttrialite] est assez souvent radio-active. Monoclinique [...], en petites tablettes prismatiques, de teinte variant du vert-olive au brun noir, éclat vitreux (n = 1,75), d = 6, [la masse spécifique] = 4,25 à 4,6 selon les teneurs en Th.  3, record 10, French, - yttrialite

Record 10,  Textual support,  Spanish

Record 11,  Textual support,  English

Record number: 11, Textual support number: 1 DEF

A variety of uraninite [which] contains about 10% of the yttrium earths.  1, record 11, English, - nivenite

Record 11,  Textual support,  French

Record number: 11, Textual support number: 1 DEF

Variété d'uraninite contenant du cérium et de l'yttrium.  1, record 11, French, - niv%C3%A9nite

Record 11,  Textual support,  Spanish

Record 12,  Textual support,  English

Record number: 12, Textual support number: 1 DEF

A mineral which consists of a borosilicate of yttrium and barium.  1, record 12, English, - cappelenite

Record 12,  Textual support,  French

Record number: 12, Textual support number: 1 DEF

Minéral du système hexagonal qui est un borosilicate naturel d'yttrium et de baryum.  1, record 12, French, - capp%C3%A9l%C3%A9nite

Record 12,  Textual support,  Spanish

Record number: 12, Textual support number: 1 DEF

Borosilicato complejo de itrio, cerio, lantano y bario, cuyos cristales hexagonales son verdes.  1, record 12, Spanish, - cappelenita

Record 13,  Textual support,  English

Record number: 13, Textual support number: 1 DEF

A yellowish-brown mineral which consists of a hydrated silicate and carbonate of calcium, cerium and yttrium.  2, record 13, English, - kainosite

Record number: 13, Textual support number: 1 OBS

Chemical formula: Ca₂(Y,Ce)₂Si₄O₁₂(CO₃)•H₂O  2, record 13, English, - kainosite

Record 13,  Textual support,  French

Record number: 13, Textual support number: 1 DEF

Minéral du système orthorhombique constitué de silicate hydraté naturel d'yttrium, d'erbium et de calcium.  3, record 13, French, - ka%C3%AFnosite

Record number: 13, Textual support number: 1 OBS

Formule chimique : Ca₂(Y,Ce)₂Si₄O₁₂(CO₃)•H₂O  4, record 13, French, - ka%C3%AFnosite

Record 13,  Textual support,  Spanish

Record number: 13, Textual support number: 1 DEF

Silicato hidratado de calcio, cerio, itrio y erbio; es un mineral amarillo, que cristaliza en el sistema rómbico.  1, record 13, Spanish, - kainosita

Record number: 13, Textual support number: 1 OBS

Fórmula química: Ca₂(Y,Ce)₂Si₄O₁₂(CO₃)•H₂O  2, record 13, Spanish, - kainosita

Record 14,  Textual support,  English

Record number: 14, Textual support number: 1 DEF

A hydrous phosphate of cerium and yttrium occurring as an incrustation in ore bodies.  4, record 14, English, - rhabdophane

Record number: 14, Textual support number: 1 OBS

Rhabdophane includes rare earth elements (e.g. neodymium, cerium, lanthanum, etc.). Sometimes, rhabdophane may include more than one rare earth element. Hence, the chemical formula may be written like this: (REE)PO₄•H₂O where REE (rare-earth elements) may be replaced by one or more rare-earth elements: (Nd,Ce,La)PO₄•H₂O  5, record 14, English, - rhabdophane

Record 14,  Textual support,  French

Record number: 14, Textual support number: 1 DEF

Phosphate hydraté naturel d'yttrium et de terres rares.  4, record 14, French, - rhabdophane

Record number: 14, Textual support number: 1 OBS

La rhabdophane contient des éléments des terres rares (par ex. néodyme, cérium, lanthane, etc.). Elle peut parfois contenir plus d'un élément. La formule chimique suit le modèle suivant : (ÉTR)PO₄•H₂O où ÉTR (éléments des terres rares) peut être remplacé par un ou plusieurs éléments, par exemple : (Nd,Ce,La)PO₄•H₂O  5, record 14, French, - rhabdophane

Record 14,  Textual support,  Spanish

Record 16,  Textual support,  English

Record number: 16, Textual support number: 1 OBS

Chemical name of yttrium oxide sulfide :(Y₂O₂S)  2, record 16, English, - yttrium%20oxide%20sulfide%20%28Y2O2S%29%2C%20terbium%2Ddoped

Record 16,  Textual support,  French

Record number: 16, Textual support number: 1 OBS

Formule chimique de l'oxyde et sulfure d'yttrium (Y₂O₂S)  2, record 16, French, - oxyde%20et%20sulfure%20d%27yttrium%20%28Y2O2S%29%20dop%C3%A9%20au%20terbium

Record 16,  Textual support,  Spanish

Record 17,  Textual support,  English

Record number: 17, Textual support number: 1 OBS

Chemical name of yttrium oxide sulfide :(Y₂O₂S)  2, record 17, English, - yttrium%20oxide%20sulfide%20%28Y2O2S%29%2C%20europium%2D%20and%20terbium%2Ddoped

Record 17,  Textual support,  French

Record number: 17, Textual support number: 1 OBS

Formule chimique de l'oxyde et sulfure d'yttrium (Y₂O₂S)  2, record 17, French, - oxyde%20et%20sulfure%20d%27yttrium%20%28Y2O2S%29%20dop%C3%A9%20%C3%A0%20l%27europium%20et%20au%20terbium

Record 17,  Textual support,  Spanish

Record 18,  Textual support,  English

Record number: 18, Textual support number: 1 OBS

Chemical name of yttrium oxide sulfide :(Y₂O₂S)  2, record 18, English, - yttrium%20oxide%20sulfide%20%28Y2O2S%29%2C%20ytterbium%2Ddoped

Record 18,  Textual support,  French

Record number: 18, Textual support number: 1 OBS

Formule chimique de l'oxyde et sulfure d'yttrium (Y₂O₂S)  2, record 18, French, - oxyde%20et%20sulfure%20d%27yttrium%20%28Y2O2S%29%20dop%C3%A9%20%C3%A0%20l%27ytterbium

Record 18,  Textual support,  Spanish

Record 19,  Textual support,  English

Record number: 19, Textual support number: 1 OBS

Chemical name of yttrium oxide sulfide :(Y₂O₂S)  2, record 19, English, - yttrium%20oxide%20sulfide%20%28Y2O2S%29%2C%20praseodymium%2Ddoped

Record 19,  Textual support,  French

Record number: 19, Textual support number: 1 OBS

Formule chimique de l'oxyde et sulfure d'yttrium (Y₂O₂S)  2, record 19, French, - oxyde%20et%20sulfure%20d%27yttrium%20%28Y2O2S%29%20dop%C3%A9%20au%20pras%C3%A9odyme

Record 19,  Textual support,  Spanish

Record 20,  Textual support,  English

Record number: 20, Textual support number: 1 CONT

The orthoferrites ... have the perovskite structure.  2, record 20, English, - orthoferrite

Record number: 20, Textual support number: 2 CONT

Orthoferrite-based perovskites are of interest as materials for the cathode in solid oxide fuel cells (SOFCs).  3, record 20, English, - orthoferrite

Record number: 20, Textual support number: 3 CONT

Rare-earth orthoferrite, LnFeO3 (Ln=La, Sm, Gd, Dy, Er and Yb) ceramic fibres were produced by aqueous sol-gel blow spinning process at low-temperatures.  4, record 20, English, - orthoferrite

Record number: 20, Textual support number: 1 PHR

Gallium, lanthanum, rare-earth, yttrium orthoferrite.  5, record 20, English, - orthoferrite

Record number: 20, Textual support number: 2 PHR

Orthoferrite film, phase.  5, record 20, English, - orthoferrite

Record number: 20, Textual support number: 3 PHR

Orthoferrite-based perovskites.  5, record 20, English, - orthoferrite

Record 20,  Textual support,  French

Record number: 20, Textual support number: 1 CONT

ferrite : Nom générique donné à une catégorie de composés magnétiques et isolants électriques, classés en quatre familles : 1) MFe₂O₄ de structure type spinelle, M représentant un cation bivalent (Fe, Zn, Cd, Ni, Co, etc.); 2) MO.6Fe₂O₃ de structure magnétoplombite; 3) MFeO₃ orthoferrite; 4) M₃Fe₅O₁₂ de structure type grenat. Nombreuses applications en électronique.  2, record 20, French, - orthoferrite

Record number: 20, Textual support number: 2 CONT

[...] dans les corps de la famille des orthoferrites de terres rares [...] il apparaît un faible ferromagnétisme perpendiculairement au plan des lamelles monocristallines.  3, record 20, French, - orthoferrite

Record number: 20, Textual support number: 1 PHR

Orthoferrite de gallium, d'holmium, de lanthane, de terbium, de terre rare.  4, record 20, French, - orthoferrite

Record number: 20, Textual support number: 2 PHR

Couche d'orthoferrite.  4, record 20, French, - orthoferrite

Record 20,  Textual support,  Spanish

Record 21,  Textual support,  English

Record number: 21, Textual support number: 1 DEF

A placer deposit of heavy minerals, e.g. zircon, ilmenite, or rutile, on a contemporary or ancient beach or along a coastline ...  3, record 21, English, - beach%20placer

Record number: 21, Textual support number: 1 CONT

The most important minerals of beach placers are: cassiterite, diamond, gold, ilmenite, magnetite, monazite, rutile, xenotime and zircon.  4, record 21, English, - beach%20placer

Record number: 21, Textual support number: 2 CONT

Beach placers supply much of the world's titanium, zircon, thorium, cerium and yttrium. They occur along present-day beaches or ancient beaches where longshore drift is well developed and frequent storms occur.  4, record 21, English, - beach%20placer

Record number: 21, Textual support number: 3 CONT

Beach placer deposits on Queen Charlotte Islands ... formed through wind and wave erosion of auriferous glacial sediments ...  5, record 21, English, - beach%20placer

Record 21,  Textual support,  French

Record number: 21, Textual support number: 1 CONT

Les placers de plage naissent de l'action des vagues sur des placers préexistants ou sur des massifs rocheux qui sont détruits sur place avec concentration des métaux lourds. [...] Les placers de plage sont les seuls gisements connus de rutile, ilménite, zircons, monazite.  2, record 21, French, - placer%20de%20plage

Record number: 21, Textual support number: 2 CONT

Placers de plage. Ces derniers sont formés par l'action des vagues sur des sédiments littoraux. Les vagues charrient les minéraux légers vers le large et laissent sur place les plus lourds.  3, record 21, French, - placer%20de%20plage

Record number: 21, Textual support number: 3 CONT

Situés en bordure du Craton sud-africain, les gîtes appartiennent au domaine marin côtier actuel. Ce sont des placers de plage [...]  4, record 21, French, - placer%20de%20plage

Record 21,  Textual support,  Spanish

Record 22,  Textual support,  English

Record number: 22, Textual support number: 1 OBS

(such as niobium, titanium, yttrium).  1, record 22, English, - immobile%20element

Record 22,  Textual support,  French

Record number: 22, Textual support number: 1 OBS

(comme le niobium, le titane, l'yttrium).  1, record 22, French, - %C3%A9l%C3%A9ment%20immobile

Record 22,  Textual support,  Spanish

Record 24,  Textual support,  English

Record number: 24, Textual support number: 1 CONT

Chromite is mined almost exclusively from massive to semimassive accumulations in ultramafic or mafic igneous rocks.  1, record 24, English, - mafic%20igneous%20rock

Record number: 24, Textual support number: 2 CONT

... elevated contents of rare-earth elements... such as yttrium and ytterbium, indicate relationship to mafic igneous rocks.  1, record 24, English, - mafic%20igneous%20rock

Record 24,  Textual support,  French

Record number: 24, Textual support number: 1 CONT

La chromite est extraite presque exclusivement d'accumulations massives à semi-massives dans des roches ignées ultramafiques ou mafiques.  1, record 24, French, - roche%20ign%C3%A9e%20mafique

Record number: 24, Textual support number: 2 CONT

[...] des teneurs élevées en éléments des terres rares [...] comme l'yttrium et l'ytterbium, indiquent un lien avec des roches ignées mafiques.  1, record 24, French, - roche%20ign%C3%A9e%20mafique

Record 24,  Textual support,  Spanish

Record 25,  Textual support,  English

Record number: 25, Textual support number: 1 CONT

... the rare-earth elements are sensitive indicators to different igneous processes : for example, elevated contents of lanthanium and cerium above their respective chondrite-normalized concentrations are characteristic for felsic igneous rocks, whereas elevated contents of rare-earth elements of higher atomic numbers, such as yttrium and ytterbium, indicate relationship to mafic igneous rocks.  1, record 25, English, - sensitive%20indicator

Record 25,  Textual support,  French

Record number: 25, Textual support number: 1 CONT

[...] les éléments des terres rares sont des indicateurs sensibles de différents processus ignés : par exemple, des teneurs élevées en lanthane et en cérium, dépassant leurs concentrations normalisées aux chondrites, sont caractéristiques des roches ignées felsiques, tandis que des teneurs élevées en éléments des terres rares de numéro atomique plus élevé, comme l'yttrium et l'ytterbium, indiquent un lien avec des roches ignées mafiques.  1, record 25, French, - indicateur%20sensible

Record 25,  Textual support,  Spanish

Record 26,  Textual support,  English

Record number: 26, Textual support number: 1 CONT

... the rare-earth elements are sensitive indicators to different igneous processes : for example, elevated contents of lanthanium and cerium above their respective chondrite-normalized concentrations are characteristic for felsic igneous rocks, whereas elevated contents of rare-earth elements of higher atomic numbers, such as yttrium and ytterbium, indicate relationship to mafic igneous rocks.  1, record 26, English, - chondrite%2Dnormalized%20concentration

Record 26,  Textual support,  French

Record number: 26, Textual support number: 1 CONT

[...] les éléments des terres rares sont des indicateurs sensibles de différents processus ignés : par exemple, des teneurs élevées en lanthane et en cérium, dépassant leurs concentrations normalisées aux chondrites, sont caractéristiques des roches ignées felsiques, tandis que des teneurs élevées en éléments des terres rares de numéro atomique plus élevé, comme l'yttrium et l'ytterbium, indiquent un lien avec des roches ignées mafiques.  1, record 26, French, - concentration%20normalis%C3%A9e%20aux%20chondrites

Record 26,  Textual support,  Spanish

Record 27,  Textual support,  English

Record number: 27, Textual support number: 1 CONT

Peralkaline granites are known in East Africa and Nigeria, where they host tin, niobium, and other metals.  2, record 27, English, - peralkaline%20granite

Record number: 27, Textual support number: 2 CONT

... depleted lower crustal rocks generate metaluminous to peralkaline granites that are parental to pegmatites enriched in niobium and rare-earth elements(including yttrium).  3, record 27, English, - peralkaline%20granite

Record 27,  Textual support,  French

Record number: 27, Textual support number: 1 CONT

[...] les roches appauvries de la croûte inférieure produisent des granites peralumineux à hyperalcalins qui sont les roches parentales des pegmatites enrichies en niobium et en terres rares (y compris l'yttrium).  3, record 27, French, - granite%20hyperalcalin

Record 27,  Textual support,  Spanish

Record 28,  Textual support,  English

Record number: 28, Textual support number: 1 CONT

... depleted lower crustal rocks generate metaluminous to peralkaline granites that are parental to pegmatites enriched in niobium and rare-earth elements(including yttrium).  1, record 28, English, - metaluminous%20granite

Record 28,  Textual support,  French

Record number: 28, Textual support number: 1 CONT

[...] les roches appauvries de la croûte inférieure produisent des granites métalumineux à hyperalcalins qui sont les roches parentales des pegmatites enrichies en niobium et en terres rares (y compris l'yttrium).  1, record 28, French, - granite%20m%C3%A9talumineux

Record 28,  Textual support,  Spanish

Record 29,  Textual support,  English

Record number: 29, Textual support number: 1 CONT

Decomposing clover will release nitrates to the soil where metal nitrates will form. Metal nitrates are stable but water soluable. [Examples of] Metal nitrates [are :]... strontium nitrate... cesium nitrate... lithium nitrate... barium nitrate... thorium nitrate... lead nitrate... silver nitrate... thallium nitrate... potassium nitrate... sodium nitrate... magnesium nitrate... rubidium nitrate... ammonium nitrate... copper nitrate... aluminium nitrate... cerium nitrate... nickel nitrate... cadmium nitrate... calcium nitrate... lanthanum nitrate... beryllium nitrate... zinc nitrate... chromium nitrate... cobalt nitrate... iron nitrate... yttrium nitrate... uranium nitrate...  3, record 29, English, - metallic%20nitrate

Record number: 29, Textual support number: 2 CONT

Because almost all metallic nitrates are water-soluble, they are not found in nature but are produced from nitric acid.  4, record 29, English, - metallic%20nitrate

Record 29,  Textual support,  French

Record number: 29, Textual support number: 1 CONT

Sur le spectre ultraviolet des dissolutions aqueuses d'acide nitrique, des nitrates métalliques et en particulier du nitrate de cuivre; [...]  3, record 29, French, - nitrate%20m%C3%A9tallique

Record number: 29, Textual support number: 1 OBS

Dans les dénominations de familles de composés, l'adjectif anglais «metallic» ou le terme anglais «metal» employé adjectivement se traduisent en français par «métallique» de préférence à «de métal». P. ex. : acétylures métalliques, azides métalliques, azotures métalliques, carbonoperoxoates métalliques, chlorures métalliques, cyanures métalliques, hydroxydes métalliques, hydrures métalliques, nitrates métalliques, sels métalliques, stéarates métalliques et sulfures métalliques (tournures plus naturelles que celles formées avec «de métal»). En revanche, lorsqu'il est nécessaire de préciser la nature du métal (métaux alcalins, métaux alcalino-terreux, métaux de transition, métaux des terres rares, métaux lourds, etc.), il est préférable, pour éviter toute ambiguïté, d'utiliser la locution «de métal». P. ex. : peroxydes de métaux de transition (et non «peroxydes métalliques de transition»), peroxydes de métaux alcalins (et non «peroxydes métalliques alcalins»).  2, record 29, French, - nitrate%20m%C3%A9tallique

Record 29,  Textual support,  Spanish

Record 30,  Textual support,  English

Record number: 30, Textual support number: 1 CONT

Abyssal pegmatites consist mainly of quartz and feldspar, and are generally barren or poorly mineralized with regard to rare elements such as niobium, tantalum, rare-earth elements, yttrium, and beryllium.  1, record 30, English, - abyssal%20pegmatite

Record number: 30, Textual support number: 2 CONT

Abyssal class pegmatites typically occur in migmatitic rocks of upper amphibolite to granulite facies metamorphism.  1, record 30, English, - abyssal%20pegmatite

Record 30,  Textual support,  French

Record number: 30, Textual support number: 1 CONT

Les pegmatites abyssales se composent principalement de quartz et feldspath, et elles sont généralement stériles ou faiblement minéralisées en éléments rares tels que le niobium , le tantale, les terres rares, l'yttrium et le béryllium.  1, record 30, French, - pegmatite%20abyssale

Record number: 30, Textual support number: 2 CONT

Les pegmatites abyssales se rencontrent typiquement dans des roches migmatitiques témoignant d'un métamorphisme du faciès des amphibolites supérieur au faciès des granulites.  1, record 30, French, - pegmatite%20abyssale

Record 30,  Textual support,  Spanish

Record 31,  Textual support,  English

Record number: 31, Textual support number: 1 CONT

Metasomatic deposits ... commonly are superimposed on older rocks of the intrusive complex by continuing igneous activity or fluid transport of elements of economic interest (among other); may be crosscutting with respect to intrusive units; and commonly have associated alteration which may be a guide to ore.  2, record 31, English, - metasomatic%20deposit

Record number: 31, Textual support number: 2 CONT

Metasomatic deposits... occur in alkalic igneous rocks or surrounding country rocks, with mineralization superimposed on pre-existing rocks. The principal commodities recoverable from deposits of this type are niobium, tantalum, beryllium, yttrium, rare earths, gallium, uranium, thorium, and zirconium. Normally only one or two commodities carry the deposit economically, with others if recovered, as byproducts. The principal Canadian example is the Highwood Resources deposit at Thor Lake, NWT...  2, record 31, English, - metasomatic%20deposit

Record number: 31, Textual support number: 3 CONT

... metasomatic deposits form by the reaction of fluids released during crystallization with pre-existing carbonatite or country rocks.  3, record 31, English, - metasomatic%20deposit

Record 31,  Textual support,  French

Record number: 31, Textual support number: 1 CONT

[...] les gîtes métasomatiques proviennent de la réaction de fluides libérés au cours de la cristallisation avec des carbonatites de formation antérieure ou avec les roches encaissantes.  4, record 31, French, - g%C3%AEte%20m%C3%A9tasomatique

Record number: 31, Textual support number: 2 CONT

Phlogopite. [...] Mica fréquent des gîtes métasomatiques de contact [...]  5, record 31, French, - g%C3%AEte%20m%C3%A9tasomatique

Record number: 31, Textual support number: 1 OBS

Le terme «gisement de substitution» est [...] plus large que celui de «gisement par métasomatose», puisqu'il peut couvrir des mécanismes par précipitation, analogues à ceux des remplissages de vides filoniens.  3, record 31, French, - g%C3%AEte%20m%C3%A9tasomatique

Record 31,  Textual support,  Spanish

Record 32,  Textual support,  English

Record number: 32, Textual support number: 1 CONT

The elements of economic interest in peralkaline rock-associated rare metal deposits include zirconium(Zr), niobium(Nb), beryllium(Be), uranium(U), thorium(Th), tantalum(Ta), rare-earth elements(REEs), yttrium(Y), and gallium(Ga). Commonly several elements are concentrated in a deposit.  1, record 32, English, - peralkaline%20rock%2Dassociated%20rare%20metal%20deposit

Record 32,  Textual support,  French

Record number: 32, Textual support number: 1 CONT

Parmi les éléments d'intérêt économique des gîtes de métaux rares associés à des roches hyperalcalines figurent le zirconium (Zr), le niobium (Nb), le béryllium (Be), l'uranium (U), le thorium (Th), le tantale, les éléments des terres rares (ÉTR), l'yttrium (Y) et le gallium (Ga). En général, plusieurs éléments sont concentrés dans un gîte unique.  1, record 32, French, - g%C3%AEte%20de%20m%C3%A9taux%20rares%20associ%C3%A9s%20%C3%A0%20des%20roches%20hyperalcalines

Record 32,  Textual support,  Spanish

Record 33,  Textual support,  English

Record number: 33, Textual support number: 1 DEF

In mining, subsidiary material worked from ore deposits in which other materials are dominant. In some cases the revenue from the by-products can exceed that from the major type, e.g. gold from porphyry copper deposits.  3, record 33, English, - by%2Dproduct

Record number: 33, Textual support number: 1 CONT

Nickel-copper sulphide deposits are sulphide concentrations that occur in certain mafic and/or ultramafic intrusions or volcanic flows. Nickel is the main economic commodity, copper may be either a coproduct or byproduct, and platinum group elements (PGEs) are usual byproducts.  4, record 33, English, - by%2Dproduct

Record number: 33, Textual support number: 2 CONT

The principal commodities recoverable from [metasomatic] deposits... are niobium, tantalum, beryllium, yttrium, rare earths, gallium, uranium, thorium, and zirconium. Normally one or two commodities carry the deposit economically, with other if recovered as byproducts.  5, record 33, English, - by%2Dproduct

Record number: 33, Textual support number: 3 CONT

... silver and cadmium can be by-products of the mining of lead-zinc ores and uranium is an important by-product of many South African gold ores.  6, record 33, English, - by%2Dproduct

Record number: 33, Textual support number: 1 OBS

Not to be confused with "co-product."  7, record 33, English, - by%2Dproduct

Record 33,  Textual support,  French

Record number: 33, Textual support number: 1 DEF

Substance utile associée dans le minerai au produit recherché par l'exploitation.  3, record 33, French, - sous%2Dproduit

Record number: 33, Textual support number: 1 CONT

Les gîtes de sulfures de nickel-cuivre sont des concentrations de sulfures qui sont encaissées dans certaines intrusions ou coulées volcaniques de composition mafique ou ultramafique. Dans [ces] gisements [...] le nickel est la principale substance utile récupérée, alors que le cuivre constitue un coproduit ou un sous-produit et les éléments du groupe du platine (EGP) forment généralement des sous-produits.  4, record 33, French, - sous%2Dproduit

Record number: 33, Textual support number: 2 CONT

[...] l'or est souvent associé aux divers tellurures ou à des séléniures complexes [...]. Ces minerais se rencontrent en petite quantité dans beaucoup de gîtes métallifères; ainsi l'or est souvent dissous dans [...] les pyrites et pyrrhotites, la stibine, la bismuthine, les blendes et galènes, la molybdénite, etc.; il est dans ce cas un produit de récupération.  2, record 33, French, - sous%2Dproduit

Record number: 33, Textual support number: 3 CONT

Dans les séries récentes, les métaux précieux constituent plutôt un sous-produit des métaux de base, notamment du cuivre.  5, record 33, French, - sous%2Dproduit

Record 33,  Textual support,  Spanish

Record number: 33, Textual support number: 1 DEF

Producto útil que se obtiene en la fabricación de otro principal.  1, record 33, Spanish, - subproducto

Record number: 33, Textual support number: 1 CONT

La producción de gas de alumbrado y de coque a partir de la hulla da como subproductos alquitrán, amoniaco, azufre, etc.  1, record 33, Spanish, - subproducto

Record 36,  Textual support,  English

Record number: 36, Textual support number: 1 DEF

The ceramic compounds in which elements such as lanthanum and strontium, or yttrium and barium, are sandwiched between layers of copper and oxygen atoms.  1, record 36, English, - cuprate

Record number: 36, Textual support number: 1 OBS

For instance, the material La2CuO4 is an insulator, but when some of the lanthanum atoms are replaced by strontium, it loses all resistance to electric current and becomes a superconductor.  1, record 36, English, - cuprate

Record 36,  Textual support,  French

Record number: 36, Textual support number: 1 DEF

Composés à base d'oxyde de cuivre [qui] peuvent conduire l'électricité sans perte de chaleur, donc devenir supraconducteurs, à des températures relativement élevées.  1, record 36, French, - cuprate

Record 36,  Textual support,  Spanish

Record 37,  Textual support,  English

Record number: 37, Textual support number: 1 CONT

Rare earth magnets include Sm-Co (Samarium-Cobalt) magnets and Nd-Fe-B (Neodymium-Iron-Boron) magnets. ... rare earth permanent magnets have many distinguishing characteristics, such as a large Maximum Energy Product, (one performance index for permanent magnets). Dozens of magnetic materials which contain rare earth have been developed recently. Two major families of rare earth permanent magnets, Sm-Co magnets and Nd-Fe-B magnets, have been widely used in a variety of applications. Each family has its own advantages and disadvantages.  2, record 37, English, - rare%2Dearth%20magnet

Record number: 37, Textual support number: 1 OBS

Permanent Magnet Materials. Permanent magnets are used in the following major groups: acoustic transducers, motors and generators, magneto mechanical devices, and magnetic field and imaging systems. You will find permanent magnets in many products, such as televisions, telephones, computers, audio systems and automobiles. The permanent magnet family consists, in general terms, of non-rare earth permanent magnets and rare earth magnets.  2, record 37, English, - rare%2Dearth%20magnet

Record number: 37, Textual support number: 2 OBS

Rare Earths : A family of elements with an atomic number from 57 to 71 plus 21 and 39. They are lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, and yttrium.  3, record 37, English, - rare%2Dearth%20magnet

Record 37,  Textual support,  French

Record number: 37, Textual support number: 1 CONT

Récemment, l'apparition sur le marché d'aimants permanents à base de terres rares (Sm-Co ou Fe-Nd-B) a permis la réalisation de nouveaux séparateurs à haute intensité. Ces derniers se substituent dans beaucoup de cas aux appareils traditionnels du fait de leurs coûts d'investissement et de fonctionnement nettement inférieurs.  1, record 37, French, - aimant%20permanent%20%C3%A0%20base%20de%20terres%20rares

Record 37,  Textual support,  Spanish

Record 38,  Textual support,  English

Record number: 38, Textual support number: 1 CONT

The non-rare earth magnets include Alnico (Aluminum-Nickel-Cobalt) magnets and Ceramic (Strontium and Barium Ferrite) magnets. Rare earth magnets include Sm-Co (Samarium-Cobalt) magnets and Nd-Fe-B (Neodymium-Iron-Boron) magnets. ... rare earth permanent magnets have many distinguishing characteristics, such as a large Maximum Energy Product, (one performance index for permanent magnets). Dozens of magnetic materials which contain rare earth have been developed recently. Two major families of rare earth permanent magnets, Sm-Co magnets and Nd-Fe-B magnets, have been widely used in a variety of applications. Each family has its own advantages and disadvantages.  2, record 38, English, - non%20rare%2Dearth%20magnet

Record number: 38, Textual support number: 1 OBS

Rare Earths : A family of elements with an atomic number from 57 to 71 plus 21 and 39. They are lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, and yttrium.  3, record 38, English, - non%20rare%2Dearth%20magnet

Record number: 38, Textual support number: 2 OBS

As opposed to "rare-earth magnet."  4, record 38, English, - non%20rare%2Dearth%20magnet

Record 38,  Textual support,  French

Record 38,  Textual support,  Spanish

Record 39,  Textual support,  English

Record number: 39, Textual support number: 1 CONT

Agardite is a rare earth arsenate mineral with a beautiful crystal habit and color. [It] can form tufts of fine acicular (hair-like) crystals. These tufts are similar to other minerals such as okenite, millerite and artinite, but with one big difference, the color. Agardite has beautiful color that is typically one of several attractive shades of light green.  2, record 39, English, - agardite

Record number: 39, Textual support number: 1 OBS

It is also known by the synonym "chlorotile. "Agardite is also known officially by two names[ :] agardite-(Y) and agardite-(La) to denote the increased abundance, in these minerals, of the elements yttrium and lanthanum respectively. Agardite-(Ce) is an unofficial variety with an abundance of cerium as is agardite-(Nd) with an abundance of neodymium. These are unofficial names and probably are insignificant or only locally abundant.  2, record 39, English, - agardite

Record 39,  Textual support,  French

Record number: 39, Textual support number: 1 DEF

Arséniate du système cristallin hexagonal [se présentant en] petits cristaux allongés formant des houppes délicates pouvant ressembler à l'aurichalcite.  1, record 39, French, - agardite

Record 39,  Textual support,  Spanish

Record 40,  Textual support,  English

Record number: 40, Textual support number: 1 DEF

The yttrium rich aeschynite.  3, record 40, English, - aeschynite%2DY

Record 40,  Textual support,  French

Record number: 40, Textual support number: 1 DEF

Minéral (oxyde) du système cristallin orthorhombique.  1, record 40, French, - a%C3%ABschynite%2D%28Y%29

Record 40,  Textual support,  Spanish

Record 41,  Textual support,  English

Record number: 41, Textual support number: 1 DEF

A variety of uraninite containing a large percentage of UO3, and also rich in helium. Contains about 10 percent of the yttrium earths.  1, record 41, English, - cleveite

Record 41,  Textual support,  French

Record number: 41, Textual support number: 1 DEF

Variété d'uraninite contenant des terres rares (surtout du cérium).  1, record 41, French, - cl%C3%A9v%C3%A9ite

Record 41,  Textual support,  Spanish

Record 42,  Textual support,  English

Record number: 42, Textual support number: 1 OBS

Described as a fluoride of calcium, yttrium, and cerium, but later found to be identical with fluor-apatite.  1, record 42, English, - yttrocalcite

Record 42,  Textual support,  French

Record number: 42, Textual support number: 1 DEF

Fluorure naturel de calcium, de cérium et d'yttrium.  1, record 42, French, - yttrocalcite

Record 42,  Textual support,  Spanish

Record 43,  Textual support,  English

Record number: 43, Textual support number: 1 OBS

A variety of titanite containing yttrium and cerium.  2, record 43, English, - yttrotitanite

Record 43,  Textual support,  French

Record number: 43, Textual support number: 1 DEF

Silicate naturel de titane, d'yttrium, de cérium, de calcium, isomorphe du sphène.  1, record 43, French, - yttrotitanite

Record 43,  Textual support,  Spanish

Record 44,  Textual support,  English

Record number: 44, Textual support number: 1 CONT

YAG anterior capsulotomy avoids anterior radial tears.  1, record 44, English, - YAG%20anterior%20capsulotomy

Record number: 44, Textual support number: 1 OBS

YAG :yttrium aluminum garnet.  1, record 44, English, - YAG%20anterior%20capsulotomy

Record 44,  Textual support,  French

Record 44,  Textual support,  Spanish

Record 45,  Textual support,  English

Record number: 45, Textual support number: 1 CONT

Yttrium is found in several minerals, particularly kainosite, gadolinite, the new Y-Ca silicate, with lesser amounts in allanite, bastnaesite....  3, record 45, English, - yttrium%2Dcalcium%20silicate

Record 45,  Textual support,  French

Record 45,  Textual support,  Spanish

Record 46,  Textual support,  English

Record number: 46, Textual support number: 1 DEF

White powder, body-centered cubic structure.... Obtained by igniting yttrium or its salts. Sol. in oil, acids; readily absorbs ammonia from the air; displaces ammonia from ammonium salts.  1, record 46, English, - yttrium%20oxide

Record 46,  Textual support,  French

Record number: 46, Textual support number: 1 DEF

Poudre blanche, jaunâtre, [en] cristaux cubiques (...) soluble dans les acides dilués, insoluble dans l'eau, les alcoles (...) [et utilisée dans les] manchons à incandescence.  1, record 46, French, - oxyde%20d%27yttrium

Record 46,  Textual support,  Spanish

Record 47,  Textual support,  English

Record number: 47, Textual support number: 1 CONT

The neodymium laser. The trivalent neodymium ion has now been incorporated into a great many lattices, both substitutionally and by compensating techniques. Typical examples of substitutional lattices are yttrium aluminium garnet... and lanthanum fluoride... ;and of compensated lattices, calcium fluoride(CaF₂...) and calcium tungstate.... Transitions to the ground state appear to be by a fast non-radiative process.  3, record 47, English, - neodymium%20laser

Record 47,  Textual support,  French

Record number: 47, Textual support number: 1 CONT

Le laser à néodyme. ... Le néodyme, élément actif de ce laser, est incorporé soit à un milieu amorphe tel que du verre, soit dans certains liquides (...), soit enfin en substitution dans des réseaux cristallins, tels la fluorine CaF₂, le tungstate de calcium (...) ou le grenat d'yttrium et d'aluminium (...).  4, record 47, French, - laser%20%C3%A0%20n%C3%A9odyme

Record number: 47, Textual support number: 2 CONT

Le laser à néodyme. (...) Une irradiation intense en lumière blanche peuple l'ensemble des niveaux situés au-dessus du niveau 4 [surélevé]F_3/2, d'où les ions retombent vers celui-ci par le jeu de transitions non radiatives (...)  3, record 47, French, - laser%20%C3%A0%20n%C3%A9odyme

Record 47,  Textual support,  Spanish

Record 48,  Textual support,  English

Record number: 48, Textual support number: 1 OBS

A tantalate and niobate of iron, calcium, yttrium, erbium, cerium, etc., occurring in black-brown orthorhombic crystals.  1, record 48, English, - yttrotantalite

Record 48,  Textual support,  French

Record number: 48, Textual support number: 1 OBS

Tantalate naturel d'yttrium, (...)  1, record 48, French, - yttrotantalite

Record 48,  Textual support,  Spanish

Record 49,  Textual support,  English

Record number: 49, Textual support number: 1 OBS

(...) bearing or containing yttrium or related elements.  2, record 49, English, - yttriferous

Record 49,  Textual support,  French

Record number: 49, Textual support number: 1 OBS

Qui contient de l'yttrium.  2, record 49, French, - yttrif%C3%A8re

Record 49,  Textual support,  Spanish

Record 50,  Textual support,  English

Record number: 50, Textual support number: 1 DEF

A variety of titanite containing Yttrium peroxide. Found in Sweden.  1, record 50, English, - alohedite

Record 50,  Textual support,  French

Record number: 50, Textual support number: 1 DEF

[...] variété de sphène renfermant de l'yttrium.  1, record 50, French, - aloh%C3%A9dite

Record 50,  Textual support,  Spanish