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    A Look at Rare Earth Metals and Their Applications,  · Rare earth metals are actually not as rare as their name might imply. They are critical to high-performance optics and lasers, and essential to the most powerful magnets and superconductors in the world. Rare earths are simply more expensive to mine than most ...Canavan seeks US help to develop rare earths resources,  · Critical minerals, including rare earths, lithium, copper and cobalt, are a vital part of the defence supply chain, being used in everything from weapons guidance systems to improving the ...Rare Earths Company Outlines 2020 Project Goals,  · The minerals exploration company sent the 30-ton bulk sampled it had collected in 2018 to SGS Canada for metallurgical and processing test work. Flotation testing yielded a 48.7% light rare earth oxide (LREO), high grade concentrate of cerium, lanthanum, neodymium and praseodymium oxides, and showed an 85.7% recovery on locked cycle tests.Rare earths trade dispute,  · The rare earths trade dispute, between China on one side and several countries (led chiefly by the US) on the other, was over China's export restrictions on rare earth elements as well as tungsten and molybdenum, which are used to make many electronics. China controls 97% of the production of these elements. The US, EU and Japan argued that ...