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This makes astatine a very rare naturally occurring element in the earths crust. In its most stable form astatine 210 its got a half life of just 81 hours which means even if you did happen to stumble on some of. However in contrast to the ordinary base and precious metals rare earth elements have very little tendency to become concentrated in exploitable ore deposits.
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What is the rarest element in universe quora. The 5 rarest elements on earth atoms of element per 10 6 si using the world s rarest element to. Element animation element animation montage. What is the rarest element in universe quora.