rare earths element

Rare earth element - Simple English Wikipedia, the free ...

List of rare earth elements. A table listing the seventeen rare earth elements, their atomic number and symbol, the origin of their names, and some of their uses is provided here. Some of the rare earths are named after the scientists who discovered them, and some …

Light Rare Earth Elements (LREE) - ThoughtCo

Mar 10, 2019· The element scandium is considered to be one of the rare earth elements. Although it is the lightest of the rare earths, with atomic number 21, it is not classified as a light rare earth metal. Why is this? Basically, it's because an atom of scandium does not have an electron configuration comparable to that of the light rare earths.

The Geopolitics of Rare Earth Elements

Apr 08, 2019· Pollution from factories processing rare earth elements, which are essential for the production of mobile phones and computers, blackens the skyline of Baotou, in Inner Mongolia. Highlights Demand for rare earth elements will grow in the next several …

Rare-earth element - Wikipedia

A rare-earth element (REE) or rare-earth metal (REM), as defined bi IUPAC, is ane o a set o seventeen chemical elements in the periodic cairt, specifically the fifteen lanthanides, as well as scandium an yttrium.Scandium an yttrium are considered rare-earth elements acause thay tend tae occur in the same ore deposits as the lanthanides an exhibit seemilar chemical properties.

Rare Earth Elements - CBS News

Jul 20, 2015· The following is a script from "Rare Earth Elements" which aired on March 22, 2015, and was rebroadcast on July 19, 2015. Lesley Stahl is the correspondent. Graham Messick and Kevin Livelli ...

Rare Earth Elements | Geoscience Australia

Sep 02, 2019· Rare Earth Elements in Australian Heavy Mineral Sands Deposits. Rare earths-bearing minerals monazite and xenotime occur in many of Australia's heavy mineral sand deposits and, up until the mid-1990s, monazite was produced from them and exported, mainly to Europe. A brief overview of these activities is given by Hoatson et.al (2011) 138.

Rare Earths Statistics and Information - usgs.gov

The principal economic sources of rare earths are the minerals bastnasite, monazite, and loparite and the lateritic ion-adsorption clays. The rare earths are a relatively abundant group of 17 elements composed of scandium, yttrium, and the lanthanides. The elements range in crustal abundance from cerium, the 25th most abundant element of the 78 common elements in the Earth's

Rare-earth magnet - Wikipedia

Rare-earth magnets are strong permanent magnets made from alloys of rare-earth elements. Developed in the 1970s and 1980s, rare-earth magnets are the strongest type of permanent magnets made, producing significantly stronger magnetic fields than other types such as ferrite or alnico magnets.

Rare Earths: Next Element in the Trade War? | Center for ...

Aug 20, 2019· Rare Earths: Next Element in the Trade War? August 20, 2019. When Chinese President Xi Jinping toured a rare-earth processor a week after the Trump administration blacklisted Huawei in May, he highlighted the importance of rare earths in global supply chains—a statement widely interpreted as a threat to restrict Chinese exports to the United States.

Estimated Rare Earth Reserves and Deposits - Energy.gov

These materials -- which include some rare earth elements and are often called critical materials -- are essential to the clean energy economy and are at risk for supply disruptions. This map shows countries with significant supplies of rare earth elements, and existing mines, deposits, and occurrences of rare earth elements.

Appalachian Coal Ash Richest in Rare Earth Elements | Duke ...

May 27, 2016· The results, published online May 26 in the journal Environmental Science and Technology, showed that coal from the Appalachian Mountains contains the most rare earth elements. However, if extraction technologies were cheap enough, there are plenty of rare earth elements to be found in other sources as well.

A Look at Rare Earth Metals and Their Applications

Nov 18, 2018· Rare earth metals are actually not as rare as their name might imply. Critical to high-performance optics and lasers and key to the most powerful magnets and superconductors in the world, rare earths are simply more difficult to mine than most …

Definition of RARE EARTH ELEMENT - Merriam-Webster

Rare earth element definition is - any of a series of metallic elements of which the oxides are classed as rare earths and which include the elements of the lanthanide series and sometimes yttrium and scandium —called also rare earth metal.

Rare Element Resources

Rare Element Resources Ltd. is a publicly traded mineral resource company focused on exploration and development of rare-earth element deposits that carry a favorable distribution of critical rare earths. The Company is advancing development of the owned Bear Lodge Project, ...

Rare Earth Elements Prices 101 | INN

Rare earths are not as rare as you might think, but the market and rare earth elements prices are certainly complicated. There are 17 rare earth minerals in all, and each can be classified under ...

rare-earth element | Uses, Properties, & Facts ...

Rare-earth element, any member of the group of chemical elements consisting of three elements in Group 3 (scandium [Sc], yttrium [Y], and lanthanum [La]) and the first extended row of elements below the main body of the periodic table (cerium [Ce] through lutetium [Lu]).

REE - Rare Earth Elements - Metals, Minerals, Mining, Uses

What Are Rare Earths? Rare earths are a series of chemical elements found in the Earth's crust that are vital to many modern technologies, including consumer electronics, computers and networks, communications, clean energy, advanced transportation, health care, environmental mitigation, national defense, and many others.

Rare Earth Elements (Metals) - List - thoughtco.com

The rare earth elements (REEs) or rare earth metals (REMs) are a group of metals found within the same ores and possessing similar chemical properties. Scientists and engineers disagree on exactly which element should be included in a list of the rare earths, but they generally include the fifteen lanthanide elements, plus scandium and yttrium.