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Monazite is a primarily reddish-brown phosphate mineral that contains rare-earth elements. Due to variability in composition, monazite is considered a group of minerals. [3] The most common species of the group is monazite- (Ce), that is, the cerium-dominant member of the group. [4] It occurs usually in small isolated crystals.
This plant, the first unit of IREL, was made operational way back in 1952 for processing of monazite, whose capacity was subsequently increased by about three times.Rare Earths Division (RED), Udyogamandal, Aluva is located on the banks of Periyar River in Kerala at a distance of 12 km from the port city of Kochi and 15 km from Kochi International Airport.
Mountain Pass mine. The Mountain Pass Rare Earth Mine and Processing Facility, owned by MP Materials, is an open-pit mine of rare-earth elements on the south flank of the Clark Mountain Range in California, 53 miles (85 km) southwest of Las Vegas, Nevada. In 2020 the mine supplied 15.8% of the world's rare-earth production.
Monazite geochronology is a dating technique to study geological history using the mineral monazite. It is a powerful tool in studying the complex history of metamorphic rocks particularly, as well as igneous, sedimentary and hydrothermal rocks. [2][3] The dating uses the radioactive processes in monazite as a clock.
Bastnäsite. δ = 0.101 max. The mineral bastnäsite (or bastnaesite) is one of a family of three carbonate - fluoride minerals, which includes bastnäsite- (Ce) with a formula of (Ce, La)CO 3 F, bastnäsite- (La) with a formula of (La, Ce)CO 3 F, and bastnäsite- (Y) with a formula of (Y, Ce)CO 3 F. Some of the bastnäsites contain OH − ...
Moreover, monazite contains many other rare metals such as cerium, lanthanum, praseodymium, and samarium, making it a critical source of renewable energy. [26] Recycled magnets can also be derived from these minerals due to the metals they contain. [25] Monazite sand and deposits for mining are found in India, Brazil, and Australia. [27]
Monazite powder, a rare earth and thorium phosphate mineral, is the primary source of the world's thorium. India's three-stage nuclear power programme was formulated by Homi Bhabha, the well-known physicist, in the 1950s to secure the country's long term energy independence, through the use of uranium and thorium reserves found in the monazite sands of coastal regions of South India.
An overview of one of the regolith-hosted rare earth element deposits (a type of Rare Earth Element mine) in South China. Regolith-hosted rare earth element deposits (also known as ion-adsorption deposits) are rare-earth element (REE) ores in decomposed rocks that are formed by intense weathering of REE-rich parental rocks (e.g. granite, tuff etc.) in subtropical areas.