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Any of the fifteen lanthanides plus scandium and yttrium
Rare-earth elements in the periodic table The rare-earth elements (REE), also called rare-earth metals, or rare earths, are a set of 17 nearly indistinguishable
Rare-earth_element
Mineral containing one or more rare-earth elements as major constituents
A rare-earth mineral is a mineral that contains one or more rare-earth elements as major metal constituents. Rare-earths are to be distinguished from critical
Rare-earth_mineral
Strong permanent magnet made from alloys of rare-earth elements
A rare-earth magnet is a strong permanent magnet made from alloys of rare-earth elements. Developed in the 1970s and 1980s, rare-earth magnets are the
Rare-earth_magnet
American rare-earth mining company
USA Rare Earth, Inc. (NASDAQ: USAR) is an American mining and manufacturing company specializing in the extraction, processing, and production of rare-earth
USA_Rare_Earth
Regolith-hosted rare earth element deposits (also known as ion-adsorption deposits) are rare-earth element (REE) ores in decomposed rocks that are formed
Regolith-hosted rare earth element deposits
Regolith-hosted_rare_earth_element_deposits
Australian mining company
Arafura Rare Earths Ltd, formerly Arafura Resources, is an Australian mining company headquartered in Perth, Western Australia. Its flagship project is
Arafura_Rare_Earths
F-block chemical elements
thorium hydroxide (Th(OH)4) contaminated with ~3% of rare-earth hydroxides; the rest of rare-earth hydroxides remains in solution. Thorium hydroxide is
Actinide
Canadian mining company
producing rare earth element oxides at its White Mesa Mill at pilot scale. It is currently partnered with North Carolina-based rare earth magnet manufacturer
Energy_Fuels_Inc.
Rare-earth element mine in California, United States
The Mountain Pass Rare Earth Mine and Processing Facility, owned by MP Materials Corp., is an open-pit mine of rare-earth elements on the south flank
Mountain_Pass_Rare_Earth_Mine
2012–2014 World Trade Organization Case
The rare earths trade dispute, between China on one side and several countries (with the U.S. being the primary leader) on the other, was over China's
Rare_earths_trade_dispute
Chemical element with atomic number 39 (Y)
often been classified as a rare-earth element. Yttrium is almost always found in combination with lanthanide elements in rare-earth minerals and is never found
Yttrium
Strong permanent magnet made from an alloy of a rare-earth element and cobalt
(SmCo) magnets belong to the category of rare-earth magnets and are composed of samarium (Sm), a rare-earth element, and cobalt (Co), a transition metal.
Samarium–cobalt_magnet
Chemical element with atomic number 59 (Pr)
chemical element; it has symbol Pr and atomic number 59. It is the third member of the lanthanide series and is considered one of the rare-earth metals
Praseodymium
Chemical element with atomic number 67 (Ho)
Holmium is a chemical element; it has symbol Ho and atomic number 67. It is a rare-earth element and the eleventh member of the lanthanide series of elements
Holmium
Chemical compounds known for exhibiting high temperature superconductivity
Hadron Collider, which utilizes low-temperature superconductors. Any rare-earth element can be used in a ReBCO; popular choices include yttrium (YBCO), lanthanum
Rare-earth barium copper oxide
Rare-earth_barium_copper_oxide
Chemical element with atomic number 68 (Er)
a lanthanide, a rare-earth element, originally found in the gadolinite mine in Ytterby, Sweden, which is the source of the element's name. Erbium's principal
Erbium
Chemical element with atomic number 57 (La)
hidden'. Although it is classified as a rare-earth element, lanthanum is the 28th most abundant element in the Earth's crust, almost three times as abundant
Lanthanum
abundance of elements in Earth's crust is shown in tabulated form with the estimated crustal abundance for each chemical element shown as mg/kg, or parts
Abundance of elements in Earth's crust
Abundance_of_elements_in_Earth's_crust
Chemical element with atomic number 21 (Sc)
the d-block of the periodic table. Usually, it is classified as a rare-earth element, together with yttrium and the lanthanides. It was discovered in 1879
Scandium
Topics referred to by the same term
extraction company GPS, V1: Rare Metals, an album by trumpeter Dave Douglas Precious metal, any metal of very high value Rare-earth element, a set of 17 nearly
Rare_Metals
Chemical element with atomic number 66 (Dy)
Dysprosium is a chemical element; it has symbol Dy and atomic number 66. It is a rare-earth element in the lanthanide series with a metallic silver luster
Dysprosium
Chemical compound
formula Gd2O3. It is one of the most commonly available forms of the rare-earth element gadolinium, derivatives, of which are potential contrast agents for
Gadolinium(III)_oxide
Group of isostructural rare earth element carbonate minerals
Lanthanites are a group of isostructural rare earth element (REE) carbonate minerals. This group comprises the minerals lanthanite-(La), lanthanite-(Ce)
Lanthanite
American businessman and government official (born 1962)
multiple industries, and potentially take equity stakes in other rare-earth element companies to reduce reliance on China, as the U.S. Department of Defense
Scott_Bessent
Mineral containing rare-earth elements
relative proportion within the mineral: lanthanum is the most common rare-earth element in monazite-(La), and so forth. Silica (SiO2) is present in trace
Monazite
Ion
properties. Rare-earth elements form a range of perovskite nickelates, in which the properties vary systematically as the rare-earth element changes. Fine
Oxonickelates
Chemical compound
Holmium(III) oxide, or holmium oxide is a chemical compound of the rare-earth element holmium and oxygen with the formula Ho2O3. Together with dysprosium(III)
Holmium(III)_oxide
Chemical compound
chemical formula La2O3, is an inorganic compound containing the rare-earth element lanthanum and oxygen. It is used in some ferroelectric materials,
Lanthanum_oxide
Chemical compound
Lanthanum hydroxide is La(OH) 3, a hydroxide of the rare-earth element lanthanum. Lanthanum hydroxide can be obtained by adding an alkali such as ammonia
Lanthanum_hydroxide
Finnish chemist (1760–1852)
Gadolin discovered a "new earth" containing the first rare-earth compound yttrium, which was later determined to be a chemical element. He is also considered
Johan_Gadolin
Archipelago in the Indian Ocean
basalts Contrib. Mineral. Petrol. 32 (2) 126-137 1971 Flower, M.F.J., Rare earth element distribution in lavas and ultramafic xenoliths from the Comores archipelago
Comoro_Islands
Chemical element critical to modern and emerging technologies
elements facing shortage Rare-earth element Strategic material Renewable energy#Conservation areas, recycling and rare-earth elements European Commission
Technology-critical_element
Chemical element with atomic number 64 (Gd)
paramagnetic element. It is found in nature only in an oxidized form. When separated, it usually has impurities of the other rare earths because of their
Gadolinium
Rare, naturally occurring metallic chemical element of high economic and cultural value
investment Platinum as an investment Prices of chemical elements Rare-earth element Silver as an investment Synthesis of precious metals (precious metal
Precious_metal
Crystalline SmPO4
Monazite-(Sm) is an exceedingly rare representative of the monazite group, with samarium being the dominant rare earth element in its structure. It is the
Monazite-(Sm)
Geochronological dating method utilizing the radioactive decay system of lutetium–176
valences and ionic radii, Lu is usually found in trace amount in rare-earth element loving minerals, such as garnet and phosphates, while Hf is usually
Lutetium–hafnium_dating
Family of high-temperature superconductors
the first high-temperature superconductor which did not contain a rare-earth element. It is a cuprate superconductor, an important category of high-temperature
Bismuth strontium calcium copper oxide
Bismuth_strontium_calcium_copper_oxide
Chemical element with atomic number 70 (Yb)
element with only a faint yellowish cast (such as iridium). It is a rare-earth element, and it is readily dissolved by the strong mineral acids. Ytterbium
Ytterbium
changed to lutetium. In 1911, Georges Urbain announced discovery of a rare earth element following lutetium by atomic weight, which he called celtium. With
List of chemical element naming controversies
List_of_chemical_element_naming_controversies
Tabular arrangement of the chemical elements
discovery of element 72: Georges Urbain claimed to have discovered it as the rare earth element celtium, but Bury and Bohr had predicted that element 72 could
Periodic_table
Chemical element with atomic number 71 (Lu)
last element in the lanthanide series, and it is traditionally counted among the rare earth elements; it can also be classified as the first element of
Lutetium
Chemical compound
LaNi5 is a hexagonal intermetallic compound composed of the rare earth element lanthanum and the transition metal nickel. It presents a calcium pentacopper
Lanthanum_pentanickel
Chemical element with atomic number 60 (Nd)
chemical element with the symbol Nd and atomic number 60. It is a silvery-white metal belonging to the lanthanide series and is one of the rare-earth elements
Neodymium
Precambrian continental block located in China
study the South China Block. First, South China hosts a great deal of rare-earth element (REE) ores. Second, the South China Block is a key component of the
South_China_Craton
Fifth row of the periodic table
often been classified as a "rare earth element". Yttrium is almost always found combined with the lanthanides in rare earth minerals and is never found
Period_5_element
Development of the table of chemical elements
chemically similar rare-earth elements; it was also used to confirm that Georges Urbain's claimed discovery of a new rare-earth element (celtium) was invalid
History_of_the_periodic_table
Sediments derived from the erosion of rocks on land
size-analysis, biomarkers and compound specific stable isotopes, rare earth element (REE) patterns, paleomagnetism, fossil pollen, and radionuclides,
Terrigenous_sediment
Chemical element with atomic number 62 (Sm)
biological role; some samarium salts are slightly toxic. Samarium is a rare earth element with a hardness and density similar to zinc. With a boiling point
Samarium
These are rare in the crust from being soluble in iron and thus concentrated in Earth's core. Tellurium is the single most depleted element in the silicate
Abundance of the chemical elements
Abundance_of_the_chemical_elements
Relative europium concentration in a mineral is either enriched or depleted
the europium concentration in a mineral or rock compared to neighboring rare-earth elements also present in the material. This anomaly is typically evaluated
Europium_anomaly
Location in Nangarhar Province, Afghanistan
called the Khanneshin carbonatite, of at least 1 million tons of rare earth element ore. Khan Neshin became a Taliban insurgent stronghold in the years
Khanashin
Mine in Northwest Territories, Canada
Lake may contain some of the largest deposits of light and heavy rare-earth element (REE) ores. The major elements of these ores are europium, terbium
Thor_Lake
Pyrophoric alloy whose primary components are cerium and iron
from its two primary components: iron (from Latin: ferrum), and the rare-earth element cerium, which is the most prevalent of the lanthanides in the mixture
Ferrocerium
Topics referred to by the same term
Londonderry Reedham railway station (Norfolk), England; station code: REE Rare-earth element, a group of chemical elements Rashba-Edelstein effect 2D spin-charge
Ree
Group of chemical elements
alkaline earth metals occur in nature, although radium occurs only through the decay chain of uranium and thorium and not as a primordial element. There
Alkaline_earth_metal
Chemical element with atomic number 72 (Hf)
claims that element 72 was a rare earth element discovered in 1911, Dirk Coster and Georg von Hevesy were motivated to search for the new element in zirconium
Hafnium
Chemical element with atomic number 61 (Pm)
generally synthetic chemical element; it has symbol Pm and atomic number 61. All of its isotopes are radioactive; it is extremely rare, with only about 500–600
Promethium
Extinct genus of marine lizard from the Late Cretaceous
three elements signifying either shallow, deep, or fresh waters. The rare earth element ratios were very consistent throughout most of the examined Mosasaurus
Mosasaurus
Czech chemist who studied rare earths (1855–1935)
properties of the rare earth elements, especially the determination of their atomic weights. Brauner predicted the existence of the rare earth element promethium
Bohuslav_Brauner
2021 Apple tablet computers
Pro uses 100% recycled aluminum and sources at least 98% recycled rare earth element supplies. It is free of any harmful substances, as defined by Apple's
IPad_Pro_(5th_generation)
Lake in Saskatchewan, Canada
Belgian town of Sint-Truiden, it is the site of Canada's most advanced rare-earth element (REE) mining project. Hoidas Lake lies in the Northern Rae Geological
Hoidas_Lake
British-born American chemist (1880–1928)
first scientists to identify element 71, later named lutetium, and believed that he had found the final rare earth element 61, later named promethium.
Charles_James_(chemist)
Elements that occur in nature as minerals in uncombined form
status). "REE" – Rare-earth element (Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu) "PGE" – Platinum-group element (Ru, Rh, Pd, Os
Native_element_mineral
Chemical substance not composed of simpler ones
different element in nuclear reactions, which change an atom's atomic number. Almost all baryonic matter in the universe is composed of elements (among rare exceptions
Chemical_element
District in Inner Mongolia, China
are the largest deposits of rare-earth elements yet found and, as of 2005, responsible for 45% of global rare-earth element production. As of 2006, two
Bayan_Obo_Mining_District
Danish physicist (1885–1962)
then able to declare that the as-yet-undiscovered element 72 was not a rare-earth element but an element with chemical properties similar to those of zirconium
Niels_Bohr
Family of minerals
the mineral is divided into three minerals based on the predominant rare-earth element. There is bastnäsite-(Ce) with a more accurate formula of (Ce, La)CO3F
Bastnäsite
Crystalline LaPO4
Monazite-(La) is a relatively rare representative of the monazite group, with lanthanum being the dominant rare earth element in its structure. As such,
Monazite-(La)
Chemical element with atomic number 58 (Ce)
stable +4 state that does not oxidize water. It is considered one of the rare-earth elements. Cerium has no known biological role in humans but is not particularly
Cerium
American Rare Earth materials company
rare-earth materials company headquartered in Las Vegas, Nevada. MP Materials owns and operates the Mountain Pass mine, the only operating rare earth
MP_Materials
Elements with atomic numbers 57-70
in group 3, it behaves similarly to the other 14. The term rare-earth element or rare-earth metal is often used to include the stable group 3 elements
Lanthanide
Topics referred to by the same term
Indiana, United States, an unincorporated community Rare-earth oxide, alternative name for rare-earth element Real estate owned, a class of property Registration
Reo
2012 video game
learns Menendez is planning a second cyberattack using 'celerium', a rare-earth element that could create a powerful computer virus. Spying on Menendez in
Call_of_Duty:_Black_Ops_II
Japanese coral atoll
mineralised sediments were within the studied area. The calculated rare-earth element and yttrium content for the research area was more than 16 million
Minamitorishima
Technique of extracting metals from ores using prokaryotes or fungi
November 2020). "Space station biomining experiment demonstrates rare earth element extraction in microgravity and Mars gravity". Nature Communications
Biomining
Group of low-reactive, gaseous chemical elements
mass) of the Earth's atmosphere due to decay of radioactive potassium-40. Pierre Janssen and Joseph Norman Lockyer had discovered a new element on 18 August
Noble_gas
Greek mythology character, daughter of Agenor
her likeness in the watermark and hologram. The metal europium, a rare-earth element, was named in 1901 after the continent. The invention of the telescope
Europa_(consort_of_Zeus)
Fish seminal fluid and sacs
milt Milt is highly absorbent of rare earth elements such as neodymium and iron. The heavier the rare earth element, the higher its affinity for milt
Milt
Rock or sediment with valuable metals, minerals and elements
Mariano, Anthony N.; Mariano Jr, Anthony (2016). "Rare earth element ore geology of carbonatites". Rare earth and critical elements in ore deposits. Littleton
Ore
Method to separate compounds or metal complexes
rare earth element Gadolinium can be extracted with n-tributyl phosphate and nitric acid to yield over a kilogram of gadolinium oxide. The rare earth
Liquid–liquid_extraction
Reduction of solid materials to a smaller average particle size
the Cracking, Baking and Leaching Processes of Rare Earth Element Concentrates". Journal of Rare Earths. 35 (8): 739–752. Bibcode:2017JREar..35..739S.
Comminution
Fourth row in the periodic table of chemical elements
quantities due to its radioactivity. Nickel (Ni) is an element in group 10. Nickel is rare in the Earth's crust, mainly due to the fact that it reacts with
Period_4_element
Igneous rock with very large interlocked crystals
2022-10-09. Retrieved 29 July 2022. London, David (2016). "Rare-Element Granitic Pegmatites". Rare Earth and Critical Elements in Ore Deposits. doi:10.5382/Rev
Pegmatite
Paleoproterozoic surge in atmospheric oxygen
the aftermath of the Lomagundi-Jatuli event: The carbon isotope and rare earth element signatures of the Paleoproterozoic Zaonega formation, Russia". Precambrian
Great_Oxidation_Event
Chemical compound
Samarium(III) sulfide (Sm2S3) is a chemical compound of the rare earth element samarium, and sulfur. In this compound samarium is in the +3 oxidation state
Samarium(III)_sulfide
materials. Pollution concerns associated with the extraction of this rare-earth element, which is primarily exported by China, have prompted government action
Environmental impact of wind power
Environmental_impact_of_wind_power
Monazite-(Nd) is a relatively rare representative of the monazite group, with neodymium being the dominant rare earth element in its structure. This variety
Monazite-(Nd)
Subclass of granite formed from igneous protoliths
I-type granites may crystallize primary muscovite and rare spessartine-rich garnet. The rare earth element diagrams of I-type granite suites tend to be flatter
I-type_granite
Mountain range in California
side of I-15. The Mountain Pass rare earth mine owned by Molycorp Minerals is a recently reactivated rare earth element mine on the southern flank of the
Clark_Mountain_Range
Extinct species of bear
Kathryn M.; MacFadden, Bruce J. (2015-07-01). "Devil's Den, Florida: Rare Earth Element Analysis Indicates Contemporaneity of Humans and Latest Pleistocene
Tremarctos_floridanus
Dwarf planet in the asteroid belt
are Cererian and Cererean, both pronounced /sɪˈrɪəriən/. Cerium, a rare-earth element discovered in 1803, was named after Ceres. The old astronomical symbol
Ceres_(dwarf_planet)
Mineral form of calcium fluoride
called the fluorite structure. Element substitution for the calcium cation often includes strontium and certain rare-earth elements (REE), such as yttrium
Fluorite
Nesosilicate mineral
prominent composing element (Y if yttrium predominates, and Ce if cerium). It may contain 35.5% yttria sub-group rare earths, 2.2% ceria earths, as much as to
Gadolinite
Element not easily hosted in a crystal lattice
is by mass (lanthanide series): light rare-earth elements (LREE) are La, Ce, Pr, Nd, and Sm, and heavy rare-earth elements (HREE) are Eu–Lu. Rocks or magmas
Incompatible_element
Earth history, 1.8 to 0.8 billion years ago
Baar, H. J. W.; German, C. R.; Elderfield, H; van Gaans, P. (1988). "Rare earth element distributions in anoxic waters of the Cariaco Trench". Geochimica
Boring_Billion
Substance added to material to alter its properties
function to simply support the neodymium atoms. In addition, the rare-earth element erbium can readily be used as the dopant rather than neodymium, giving
Dopant
Simplified model in condensed matter physics
parameter increases (or the angle between atoms can also change) as the rare-earth element atomic number increases, thus changing the relative importance of
Hubbard_model
identify and trace ore fluid pathways and deposition. Regolith-hosted rare earth element (REE) deposits can also be identified and located using spectroradiometry
Spectroradiometry for Earth and planetary remote sensing
Spectroradiometry_for_Earth_and_planetary_remote_sensing
Chemical element with atomic number 69 (Tm)
behind lutetium. The element is never found in nature in pure form, but it is found in small quantities in minerals with other rare earths. Thulium is often
Thulium
American mining company
Coal mining in the United States Rare-earth element List of coal mines in the United States MP Materials USA Rare Earth "Annual Report for the year ended
Ramaco_Resources
travel, tourism, insurance
RARE EARTH-ELEMENT
RARE EARTH-ELEMENT
Male
English
Medieval form of English Ralph, RAFE means "wise wolf."
Boy/Male
Indian, Telugu
Lord Shiva; Rare Earth Element
Surname or Lastname
English
English : habitational name from for example Warth in Glouceshire or Ward in Devon, which are named with Old English waroð ‘marshy ground by a shore or stream’ or from any of various minor places named with Old Norse varða ‘beacon’ (a derivative of varða ‘to guard’).German : habitational name from any of various places named with an Old High German cognate of this element.
Male
Welsh
 Contracted form of Welsh Gareth, possibly GARTH means "old." Compare with another form of Garth.
Male
English
Variant spelling of English Ray, RAE means "wise protector."Â
Boy/Male
English
Son of the earth;often used as a surname.
Female
English
Old English name EARTHA means "earth, ground."
Male
English
Short form of English Gary, GARE means "spear."
Surname or Lastname
English
English : topographic name for someone who lived by a dam or weir on a river (Old English wær, wer), or a habitational name from a place named with this word, such as Ware in Hertfordshire.English : nickname for a cautious person, from Middle English war(e) ‘wary’, ‘prudent’ (Old English (ge)wær).English : Robert Ware came to Dedham, MA, from England in or before 1642. Henry Ware (1764–1845), born in Sherborn, MA, was a Unitarian clergyman and theologian and father of the physician John Ware (b. 1795) and two clergymen, Henry (b. 1794) and William (b. 1797).
Male
Irish
Short form of Irish Gaelic Parthalán, possibly PARTH means "son of Talmai."
Girl/Female
African, American, Australian, British, Christian, English, German, Indian
Earthy; Born of the Earth; Child of the World
Boy/Male
American, Australian, British, English, French, German, Hebrew
Son of the Earth; Form of Bartholomew; Son of Farmer
Surname or Lastname
English
English : topographic name for someone who lived by a pass or narrow valley, from Old English hraca ‘throat’, or a habitational name from any of the minor places deriving their name from this word, such as Rake in Devon or The Rake in Sussex.English and Dutch : from Middle English, Middle Dutch rake ‘rake’, applied as a metonymic occupational name for a maker of such implements or as a nickname for a tall thin man. (The expression ‘lean as a rake’ is found in Chaucer.)
Surname or Lastname
English
English : variant spelling of Raw.North German : variant of Rave.
Female
English
 Latin name MARE means "sea." Compare with another form of Mare.
Surname or Lastname
Italian (Faré)
Italian (Faré) : Lombard variant of Ferrari.English : topographic name for a dweller by the roadside, Middle English fare (Old English fær).English : variant spelling of Fair.
Surname or Lastname
English (rare in England)
English (rare in England) : variant of Hug 1.
Surname or Lastname
English (rare; mainly northeastern)
English (rare; mainly northeastern) : variant of Longwell.
Surname or Lastname
English (now rare)
English (now rare) : occupational name for a furrier, Middle English pel(e)ter.
Girl/Female
English American German
Worldly. Earth, from the Old English eorthe. Famous bearer: American creole singer Eartha Kitt.
RARE EARTH-ELEMENT
RARE EARTH-ELEMENT
RARE EARTH-ELEMENT
RARE EARTH-ELEMENT
RARE EARTH-ELEMENT
RARE EARTH-ELEMENT
RARE EARTH-ELEMENT
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