China has the largest know deposits of rare earths

China also has the largest know deposits of rare earths, but Brazil, Vietnam and Russia also have a lot of (largely) untapped potential in the sector. The United States, together with Australia, emerged as a major producer of rare earths after 2010. The country, which has produced rare earths before for military uses, got back into the market as rare earths were getting more important as a part of the implementation of crucial technologies. Read more.