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Appalachian Coal Ash Richest in Rare Earth Elements
Appalachian Coal Ash Rare Earth Elements
2016/6/12
A study of the content of rare earth elements in U.S. coal ashes shows that coal mined from the Appalachian Mountains could be the proverbial golden goose for hard-to-find materials critical to clean ...
SPIE supports bill to ensure crucial rare-earth elements supply for optics and photonics innovation
Proposed legislation optics and photonics industry domestic rare-earth industry
2011/4/21
Proposed legislation aimed at securing a reliable supply of materials essential to the optics and photonics industry has received support from SPIE, the international society for optics and photonics....