- Rare-earth element - Wikipedia
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
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- REE - Rare Earth Elements - Metals, Minerals, Mining, Uses
Rare Earth Elements (REE) are becoming increasingly important in electronic devices used in the defense, alternative energy, and communications industries Minable deposits of REEs are found in only a few locations
- What are rare earth elements, and why are they important?
The rare earth elements (REE) are a set of seventeen metallic elements These include the fifteen lanthanides on the periodic table plus scandium and yttrium Rare earth elements are an essential part of many high-tech devices The U S Geological Survey news release "Going Critical" explains:
- Rare Earths Statistics and Information | U. S. Geological Survey
Statistics and information on the worldwide supply of, demand for, and flow of the mineral commodity group rare earths - scandium, yttrium, and the lanthanides The principal economic sources of rare earths are the minerals bastnasite, monazite, and loparite and the lateritic ion-adsorption clays
- Rare Earth Elements - MIT
The rare earth elements (REEs) are comprised of the lanthanide elements plus scandium and yttrium, which have similar physical properties and are often found in the same ores and deposits
- Rare-earth element | Uses, Properties, Facts | Britannica
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])
- Rare Earth Elements – A Subset of Critical Minerals
Rare earth elements (REEs)—a subset of critical minerals and materials (Figure 1)—are essential materials in a broad range of technologies significant to national security, energy systems, medicine, and consumer products (Figure 2)
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