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Search references for MONAZITE. Phrases containing MONAZITE
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Mineral containing rare-earth elements
Monazite is a primarily reddish-brown phosphate mineral that contains rare-earth elements. Due to variability in composition, monazite is considered a
Monazite
Crystalline CePO4
Monazite-(Ce) (CePO4) is the most common representative of the monazite group. It is the cerium-dominant analogue of monazite-(La), monazite-(Nd), and
Monazite-(Ce)
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
Monazite-(Sm)
Dating technique to study geological history using nuclear decay of the mineral monazite
Monazite geochronology is a dating technique to study geological history using the mineral monazite. It is a powerful tool in studying the complex history
Monazite_geochronology
Chemical element with atomic number 60 (Nd)
praseodymium. Neodymium is present in significant quantities in the minerals monazite and bastnäsite. Neodymium is not found naturally in metallic form or unmixed
Neodymium
Mineral containing one or more rare-earth elements as major constituents
britholite brockite cerite dollaseite-(Ce) fluocerite fluorite gadolinite monazite parisite-(Ce) parisite-(La) stillwellite synchysite titanite wakefieldite
Rare-earth_mineral
Mine in Matzikama Local Municipality, Western Cape, South Africa
The Steenkampskraal Monazite Mine (SMM) is a rare-earth mine 71 km (44 mi) north of Vanrhynsdorp in the Western Cape province of South Africa. The mine
Steenkampskraal_mine
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)
Natural occurrence of chemical element
thorianite (ThO2 + UO2) and monazite. Thorianite is a rare mineral and may contain up to about 12% thorium oxide. Monazite contains 2.5% thorium, allanite
Occurrence_of_thorium
Chemical element with atomic number 57 (La)
Earth's crust, almost three times as abundant as lead. In minerals such as monazite and bastnäsite, lanthanum composes about a quarter of the lanthanide content
Lanthanum
Chemical element with atomic number 58 (Ce)
combination with the other rare-earth elements in minerals such as those of the monazite and bastnäsite groups, cerium is easy to extract from its ores, as it can
Cerium
This variety of monazite is typically colored bright rose-red. It is the neodymium analogue of monazite-(Ce), monazite-(La), and monazite-(Sm). The group
Monazite-(Nd)
Chemical element with atomic number 67 (Ho)
lanthanides, holmium is found in the minerals monazite and gadolinite and is usually commercially extracted from monazite using ion-exchange techniques. Its compounds
Holmium
Chemical element with atomic number 90 (Th)
abundant as uranium in the Earth's crust, and is chiefly refined from monazite sands as a by-product of extracting rare-earth elements. Thorium was discovered
Thorium
Graphical representation of the pressure-temperature history of a metamorphic rock
uranium–thorium–lead dating of monazite (monazite geochronology) is an effective method to determine the P-T history. Monazite is a phosphate mineral containing
Pressure-temperature-time path
Pressure-temperature-time_path
India's nuclear energy programme envisioned by Homi J. Bhabha
independence, through the use of uranium and thorium reserves found in the monazite sands of coastal regions of South India. Thorium is particularly attractive
India's three-stage nuclear power programme
India's_three-stage_nuclear_power_programme
Accumulation of valuable minerals formed by gravity separation
hematite. Valuable mineral components often occurring with black sands are monazite, rutile, zircon, chromite, wolframite, and cassiterite. Early mining operations
Placer_deposit
Mountain pass in Montana, United States
within monazite. The deposits lie within quartz veins hosted in Precambrian rock with minerals such as hematite, apatite, feldspar, thorite and monazite present
Lemhi_Pass
Family of minerals
earths in this class of minerals. Bastnäsite and the phosphate mineral monazite are the two largest sources of cerium and other rare-earth elements. Bastnäsite
Bastnäsite
Chemical element with atomic number 63 (Eu)
minerals such as monazite, relative to the chondritic abundance. Bastnäsite tends to show less of a negative europium anomaly than monazite does, and hence
Europium
State in southwestern India
with the adjoining districts of Karnataka. Minerals including Ilmenite, Monazite, Thorium, and Titanium, are found in the coastal belt of Kerala. Kerala's
Kerala
Government-owned mining corporation
the first unit of IREL, became operational in 1952 for the processing of monazite, whose capacity was subsequently increased by about three times. Rare Earths
IREL_(India)
Nuclear research facility in Mumbai, India
of thorium. The beach sands of Kerala and Orissa have rich reserves of monazite, which contains about 8–10% thorium. Studies have been carried out on all
Bhabha_Atomic_Research_Centre
Chemical element with atomic number 92 (U)
substances such as phosphate rock deposits, and minerals such as lignite, and monazite sands in uranium-rich ores (it is recovered commercially from sources with
Uranium
Chemical element with atomic number 62 (Sm)
to 2.8% in several minerals including cerite, gadolinite, samarskite, monazite and bastnäsite, the last two being the most common commercial sources of
Samarium
Chemical compound
(mainly bastnäsite group) stand for an ore of cerium metal, along with monazite. The molecular weight of the compound of cerium(III) carbonate is 460.26
Cerium(III)_carbonate
Radioactive toothpaste produced in Germany
radioactive because it contained small amounts of thorium obtained from monazite sands. Auergesellschaft used thorium and rare-earth elements in making
Doramad Radioactive Toothpaste
Doramad_Radioactive_Toothpaste
gold, gravel, ilmenite, iron ore, kaolin, limestone, manganese, mica, monazite, sand, silica sand, struverite and tin. Tin mining is one of the earliest
Mining_in_Malaysia
Mixture of praseodymium and neodymium
South African "rock monazite" from the Steenkampskraal mine. In ores, neodymium is typically higher in relative abundance in monazite than in bastnäsite
Didymium
Any of the fifteen lanthanides plus scandium and yttrium
bastnäsite, monazite, allanite, loparite, ancylite, parisite, lanthanite, chevkinite, cerite, stillwellite, britholite, fluocerite, and cerianite. Monazite (marine
Rare-earth_element
Chemical element with atomic number 39 (Y)
yttrium in the first half of that century. Of the monazite group, the Ce-dominant member, monazite-(Ce), is the most common one. Xenotime, a REE phosphate
Yttrium
in pegmatitic environments amongst other thorium minerals, particularly monazite ((Ce,La)PO4). Recent work has shown widespread occurrences in Wisconsin
Grayite
Chemical element with atomic number 70 (Yb)
in China, the United States, Brazil, and India in form of the minerals monazite, euxenite, and xenotime. The ytterbium concentration is low because it
Ytterbium
observed in some other minerals, such as fluorite, sapphire, kyanite, monazite, spinel, garnet, tourmaline, and rare-earth oxalates. Not to be confused
Alexandrite_effect
Chemical element with atomic number 2 (He)
cleveite and pitchblende, as well as carnotite and monazite (a group name; "monazite" usually refers to monazite-(Ce)), because they emit alpha particles (helium
Helium
Australian mining operation
both light and heavy rare earths, including rutile, ilmenite, zircon, monazite, leucoxene, and xenotime. Rutile and leucoxene are feedstocks for titanium
RZ_Resources
List of IMA recognized minerals and groupings
Alarsite AlAsO4, Rodolicoite Fe3+PO4 Monazite group (Monoclinic: P21/n) Monazite-(Ce) (Ce,La,Nd,Th)PO4, Monazite-(La) (La,Ce,Nd)PO4, Cheralite-(Ce)? (Ce
Classification of non-silicate minerals
Classification_of_non-silicate_minerals
Indian nuclear scientist and chemical engineer
extraction plant at Alwaye, Kerala India, for separation of rare earth from monazite sands. Homi Sethna was born to a Parsi family on 24 August 1923 in Bombay
Homi_Sethna
Rare earth oxide mineral
other rare minerals. It occurs in association with columbite, zircon, monazite, uraninite, aeschynite, magnetite, albite, topaz, beryl, garnet, muscovite
Samarskite-(Y)
Miyawakiite-(Y) Moganite Mohite Mohrite Moiraite Moissanite Molybdenite Molybdite Monazite Monohydrocalcite Monticellite Montmorillonite (clay mineral) Mooihoekite
List_of_minerals
Temperature of a system, such as a mineral, at the time given by its radiometric date
Mineral Closure temperature (°C) Titanite 600–650 Rutile 400–450 Apatite 450–500 Zircon >1000 Monazite >1000
Closure_temperature
Chemical element with atomic number 66 (Dy)
xenotime, fergusonite, gadolinite, euxenite, polycrase, blomstrandine, monazite and bastnäsite, often with erbium and holmium or other rare earth elements
Dysprosium
Processing facility for separating heavy minerals
ilmenite are separated from zircon and monazite. Magnetic separation is used to separate ilmenite and monazite from the non-magnetic rutile and zircon
Mineral_separation_plant
Branch of nuclear chemistry
environment. In India, a large amount of thorium ore can be found in the form of monazite in placer deposits of the Western and Eastern coastal dune sands, particularly
Actinide_chemistry
Crystalline chemical element or compound formed by geologic processes
abundant monazite group has a general structure of ATO4, where T is phosphorus or arsenic, and A is often a rare-earth element (REE). Monazite is important
Mineral
Nickel–Strunz 9 ed mineral class number 8 (isolated tetrahedral units, mainly)
Xenotime-(Y), 35 Xenotime-(Yb); 45 Ximengite, 50 Monazite-(Ce), 50 Monazite-(La), 50 Monazite-(Nd), 50 Monazite-(Sm), 50 Brabantite? 08.B Phosphates, etc. with
Phosphate_mineral
weapons from domestic monazite reserves, and this potential was explored by the military in 1951–1952. However, the monazite's thorium content was deemed
Taiwan and weapons of mass destruction
Taiwan_and_weapons_of_mass_destruction
Pyrophoric rare-earth metal alloy
thorium) and of the rare-earth industry. After extracting thorium from monazite sand, many lanthanides remained, for which there was no commercial use
Mischmetal
extracted as a byproduct of titanium, zirconium, tin, and rare earths from monazite, from which thorium is often a waste product. Despite its greater abundance
Actinides_in_the_environment
Chemical compound
hexahydrate, NdCl3·6H2O. Neodymium(III) chloride is produced from minerals monazite and bastnäsite using a complex multistage extraction process. The chloride
Neodymium(III)_chloride
Isotope of thorium
minerals that contain thorium include apatite, sphene, zircon, allanite, monazite, pyrochlore, thorite, and xenotime. Source: Thorium-232 has a half-life
Thorium-232
Mountain monument under construction in South Dakota
Trans-Hudson orogeny and dated to 1.715 ± 0.003Ga from U-Pb and Th-Pb monazite dating. The leucogranite itself is peraluminous S-type granite mainly containing
Crazy_Horse_Memorial
graphite, ilmenite, iron ore, kaolin, kyanite, lignite, limestone, manganese, monazite, quartz, rutile, salt, tin, and uranium. Of these commodities, only diamond
Mining industry of the Central African Republic
Mining_industry_of_the_Central_African_Republic
Science of determining the age of rocks, sediments and fossils
most commonly used (along with argon–argon dating) for geologic dating. Monazite geochronology is another example of U–Pb dating, employed for dating metamorphism
Geochronology
Town in Western Australia
commissioned a processing plant that separates the monazite (and additional zircon), producing a 90% monazite concentrate that will be input to a new fully-integrated
Eneabba,_Western_Australia
US Air Force incident involving a nuclear bomb
the source of the radiation was natural, originating from deposits of monazite, a locally occurring mineral that emits radiation. By 2007, no undue levels
1958 Tybee Island mid-air collision
1958_Tybee_Island_mid-air_collision
Type of radiometric dating
zircon (ZrSiO4) is most commonly used, other minerals such as monazite (see: monazite geochronology), titanite, and baddeleyite can also be used. Where
Uranium–lead_dating
Chemical element with atomic number 64 (Gd)
by Félix Trombe. Gadolinium is a constituent in many minerals, such as monazite and bastnäsite. The metal is too reactive to exist naturally. Paradoxically
Gadolinium
Chemical element with atomic number 71 (Lu)
as a by-product from the processing of the rare earth phosphate mineral monazite (Ce,La,...)PO 4, which has concentrations of only 0.0001% of the element
Lutetium
Chemical element with atomic number 59 (Pr)
solution. The procedure for monazite, which usually contains all the rare earth, as well as thorium, is more involved. Monazite, because of its magnetic
Praseodymium
geological support. As a tin-mining area, monazite exists throughout Bangka and Belitung island. Nearly 183 tons of monazite sediment was found in Mount Muntai
Nuclear_power_in_Indonesia
Coastal town in South Sinai, Egypt
tourists. Dahab contains many mineral deposits, including rutile, zircon, monazite, leucoxene, and gold. Many of these are Neoproterozoic rocks such as schist
Dahab
Chemical element with atomic number 69 (Tm)
gadolinite. Like many other lanthanides, thulium also occurs in the minerals monazite, xenotime, and euxenite. Thulium has not been found in prevalence over
Thulium
Irish mining company
new product stream called mineral sands concentrate, which contains monazite. Monazite is a rare phosphate mineral with a chemical composition of (Ce,La
Kenmare_Resources
the council made recommendations for developing the state's resources of monazite, a valuable thorium ore, and ilmenite, with regard to their applications
Nuclear_power_in_India
Department of Atomic Energy prohibiting the processing and export of monazite. This monazite was stored either mixed in with raw beach sand, or as semi-processed
Sand_mining_in_Tamil_Nadu
Chemical element with atomic number 65 (Tb)
element, but it is contained in many minerals, including cerite, gadolinite, monazite, xenotime and euxenite. Swedish chemist Carl Gustaf Mosander discovered
Terbium
Politician and businessman (born 1974)
containing mainly ilmenite, zircon and rutile, as well as potentially monazite, which is rich in rare earth elements. Initiated in the late 2010s, the
Andry_Rajoelina
Phosphate mineral
xenotime specimens may be weakly to strongly radioactive. Lithiophyllite, monazite and purpurite are sometimes grouped with xenotime in the informal "anhydrous
Xenotime
Chemical element with atomic number 68 (Er)
this element is never found as a free element in nature but is found in monazite and bastnäsite ores. It has historically been very difficult and expensive
Erbium
American chemical company
pig iron and other minerals, including the rare earth-bearing mineral, monazite. Tronox also sells titanium ore—the main feedstock of titanium dioxide—and
Tronox
Thorium nesosilicate mineral
system. It is dimorphous with tetragonal thorite, and isostructual with monazite. An uncommon mineral, huttonite forms transparent or translucent cream–colored
Huttonite
Derived SI unit of equivalent dose of ionizing radiation
Inside "The Claw" of Chernobyl (800 mSv/a) 90 μSv/h Natural radiation on a monazite beach near Guarapari, Brazil. (9 Sv/a) 1 mSv/h NRC definition of a high
Sievert
Mine in McCall, Adams County, Idaho, U.S.
Mining District. It is known to produce gold, corundum, garnet, zircon, monazite, chromite, ilmenite, magnetite, platinum, topaz, and spinel. Additionally
Rock_Flat_Placer
Nuclear fuel cycle
abundant in the continental crust than uranium and easily extracted from monazite as a side product of rare earth element mining, it is much less abundant
Thorium_fuel_cycle
Australian mining company
(concentrator), completed in 2022, that separates the monazite (and additional zircon), producing a 90% monazite concentrate that will be input to a new fully-integrated
Iluka_Resources
City in Bangladesh
Survey of Pakistan initiated investigation of radioactive minerals like monazite around the Cox's Bazar sea-beach area. In 1971, Cox's Bazar wharf was used
Cox's_Bazar
Hot semifluid material found beneath the surface of Earth
1007/s12371-011-0045-x. S2CID 129179725. Harlov, D.E.; et al. (2002). "Apatite–monazite relations in the Kiirunavaara magnetite–apatite ore, northern Sweden".
Magma
Province of South Korea
but gold and silver mines are also found in Chungcheongnam-do, as is Monazite (a rare thorium bearing mineral) and zircon. In 2018, South Chungcheong
South_Chungcheong_Province
F-block chemical elements
abundant thorium minerals are thorianite (ThO2), thorite (ThSiO4) and monazite, ((Th,Ca,Ce)PO4). Most thorium minerals contain uranium and vice versa;
Actinide
Unincorporated community in Idaho, United States
war, interest in Warren was high for rare-earth metals in its by-product monazite. A modest gold mining industry remains in the area. The town has been threatened
Warren,_Idaho
Natural resources in India
of May 2013, the country's thorium reserves were 11.93 million tonnes (monazite, having 9-10% ThO2), with a significant majority (8.59 Mt; 72%) found in
Natural_resources_of_India
Elements with atomic numbers 57-70
ore-bodies for the heavy members are few. The principal ores are monazite and bastnäsite. Monazite sands usually contain all the lanthanide elements, but the
Lanthanide
Narngulu mineral separation plant, that separates the monazite. The plant produces a 90% monazite concentrate that will be input to a new fully-integrated
Rare-earth industry in Australia
Rare-earth_industry_in_Australia
Volcanic field in southwestern United States
density and contributed to the uplift of the Colorado Plateau. Dating of monazite emplaced by the metasomatic fluids supports an age of about 28 million
Navajo_volcanic_field
2013 American film
radiation naturally occurring radioactive material Guarapari, Brazil: monazite-bearing black sand beach Radium Springs, New Mexico: radium-rich water
Pandora's_Promise
Uranyl carbonate mineral
remained the only gadolinium dominant species until the description of Monazite-(Gd) in 2023. It was first described in 1982 and is named after the Belgian
Lepersonnite-(Gd)
Radiometric dating method
mobility. For example, He diffusion in minerals such as zircon, rutile, and monazite have been shown to be strongly anisotropic. A relatively new dating method
Helium_dating
Indian nuclear physicist (1909–1966)
to the survey of radioactive minerals, setting up plants for processing monazite and limited research activity in the area of electronics, methods of chemical
Homi_J._Bhabha
Chemical compound
with cerium poisoning and for the separation of thorium from the mineral monazite. EGTA is used as a compound in elution buffer in the protein purification
EGTA
Anhydrous phosphate mineral
ideal chemical formula CaTh(PO4)2. It is isomorphous with huttonite and monazite. It can be regarded as the product of the complete cationic substitution
Cheralite
Municipality in Kerala, India
Karunagappalli is known for high background radiation from thorium-containing monazite sand. In some coastal panchayats, median outdoor radiation levels are more
Karunagappalli
Industrial minerals with identified reserves include black sands with ilmenite, monazite, rutile, and zirconium, celestine, clays, dimension stone, dolomite, feldspar
Mining_industry_of_Yemen
Russian mining entrepreneur
zircon and titanium dioxide minerals in the form of ilmenite, rutile and monazite. Mineral sands produced by GPM Asia are certified by SGS. The company is
Siman_Povarenkin
Chemical compound
the name chrome yellow, and many other names. Lead chromate adopts the monazite structure, meaning that the connectivity of the atoms is very similar to
Lead(II)_chromate
Indian village
" which are abundant in heavy minerals like ilmenite, zircon, rutile, monazite, garnet, and sillimanite. The primary industrial activity is heavy mineral
Vellanathuruthu
Rock or sediment with valuable metals, minerals and elements
applicable) Bastnäsite (REECO3F; for Ce, La, Pr, Nd) in carbonatites; monazite (REEPO4; for La, Ce, Pr, Nd) in placer deposits; xenotime (YPO4; for Y)
Ore
Molten rock expelled by a volcano during an eruption
1007/s12371-011-0045-x. S2CID 129179725. Harlov, D.E.; et al. (2002). "Apatite–monazite relations in the Kiirunavaara magnetite–apatite ore, northern Sweden".
Lava
Radioactive waste dumping in Perak, Malaysia
newly established company began extracting yttrium from a mineral named monazite which contains rare-earth elements and the radioactive elements thorium
1982 Bukit Merah radioactive pollution
1982_Bukit_Merah_radioactive_pollution
Ba,Ca,Mg-mixed carbonate mineral
alstonite, barite, barytocalcite, calcite, daqingshanite, fluorite, huntite, monazite, phlogopite, pyrite, sphalerite, strontianite, and quartz. The mineral
Benstonite
MONAZITE
MONAZITE
MONAZITE
MONAZITE
Boy/Male
Muslim/Islamic
Name of the second Caliph
Boy/Male
Arthurian Legend
Killed by Arthur.
Girl/Female
Maori
Large body of water. Lake.
Girl/Female
American, Hindu, Indian
Night Beauty
Boy/Male
Indian, Sanskrit
A Brick is Used in Preparing the Ceremonial Altar
Girl/Female
Russian Scandinavian American Arabic Muslim
Hope.
Boy/Male
American, Arabic, Australian, Jamaican
Righteous
Boy/Male
Hebrew
God is my savior; God is my salvation.
Boy/Male
Arabic, Muslim
High; Elevated; Superior
Girl/Female
Arabic, Bengali, Gujarati, Hindu, Indian, Jain, Kannada, Malayalam, Marathi, Muslim, Oriya, Sindhi, Tamil, Telugu
A Flower
MONAZITE
MONAZITE
MONAZITE
MONAZITE
MONAZITE
n.
A rare metallic element, occurring in the minerals cerite, allanite, monazite, etc. Symbol Ce. Atomic weight 141.5. It resembles iron in color and luster, but is soft, and both malleable and ductile. It tarnishes readily in the air.
n.
A variety of monazite.
n.
A mineral occurring usually in small isolated crystals, -- a phosphate of the cerium metals.
n.
A metallic element found in certain rare minerals, as thorite, pyrochlore, monazite, etc., and isolated as an infusible gray metallic powder which burns in the air and forms thoria; -- formerly called also thorinum. Symbol Th. Atomic weight 232.0.