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The rare-earth elements (REE), also called the rare-earth metals or rare earths, and sometimes the lanthanides or lanthanoids (although scandium and yttrium, which do not belong to this series, are usually included as rare earths), [1] are a set of 17 nearly indistinguishable lustrous silvery-white soft heavy metals. Compounds containing rare ...
Although the roots of rare earth elements (“rare earths”)—a group of 17 elements on the periodic table, which I sometimes fondly refer to as the “mighty 17”—can be traced back to their ...
Energy Transition Minerals Ltd (formerly Greenland Minerals Limited, [1] ASX Code: GGG) is an ASX-listed company focused on the exploration, development and financing of minerals that are critical to a low carbon future.
They include technology-critical elements, rare-earth elements and strategic materials. Price movements of critical materials [ 2 ] Demand for key energy transition minerals in 2023 [ 3 ] History and background
It offers a huge potential source of domestic rare earth elements without the need for new mining, said Bridget Scanlon, a study author and research professor at UT’s Jackson School of Geosciences.
There are 17 rare earth metals, and their production is a complex multi-stage process. Exports may be in the form of ores or goods at any stage including mined rare earth ores (all containing a tiny mix of rare earths), refined ore concentrates, refined highly pure metals, or products incorporating refined metals (car li-on batteries, magnets or magnet incorporating windmill generators).
The term rare-earth element or rare-earth metal is often used to include the stable group 3 elements Sc, Y, and Lu in addition to the 4f elements. [8] All lanthanide elements form trivalent cations, Ln 3+, whose chemistry is largely determined by the ionic radius, which decreases steadily from lanthanum (La) to lutetium (Lu).
Neodymium is a fairly common element in the Earth's crust for being a rare-earth metal. Most rare-earth metals are less abundant. Neodymium is classified as a lithophile under the Goldschmidt classification, meaning that it is generally found combined with oxygen. Although it belongs to the rare-earth metals, neodymium is not rare at all.