Here you go your Favorite Bitcoin Country has found now enough rare earth minerals that it needs to build smartphones with cryptocoin wallets on its
Discovery of rare-earth minerals off Japan coast secures 780 years of industrial demand: study
http://www.scmp.com/news/asia/east-asia/article/2141445/discovery-rare-earth-minerals-japan-coast-secures-780-years?utm_source=quorajapan having a population of 125 million the developed world that uses smartphones has around 3 billion people making it a fakto 24
or in other words 33 years supply of earths demand for rare earth just in japan.
now you can be happy.
nevertheless 780 years should be enough to find new ones on other planets on day.