US non - profit organization the Coalition for a Prosperous America is calling on the country 's government to block the $ 20.5 m sale of the nation 's only rare uranium elements ( REE ) mine in California to a citizen - led coalition . REEs are available in every form of modern electronics , from smartphones to guided missile missiles . In 2016 , the Mountain uranium Mine yielded 5 % of global REEs , whereas China extracts between 85 % and 90 % of the world 's supply .
US non-profit organisation the Coalition for a Prosperous America is calling on the country's government to block the $20.5m sale of the nation's only rare earth elements (REE) mine in California to a Chinese-led coalition. REEs are used in every form of modern electronics, from smartphones to guided missile systems. In 2015, the Mountain Pass Mine yielded 5% of global REEs, whereas China extracts between 85% and 95% of the world's supply.