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What's the most expensive metal worth 27 million euros a gram?
Californium, a metal synthesised in 1950, is the most expensive material in the world because of its extreme rarity and its applications in medicine, industry and security. This metal, synthesised for ...
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Neither gold nor diamonds, the most expensive metal is worth 27 million euros a gram
The metal, first synthesized in 1950 at the University of California at Berkeley, is the most expensive metal on the planet: 27 million euros per gram. Californium is a silvery-white radioactive ...