What is the Most Expensive Material in the World? » Explorersweb
No, it's not a Moon or Mars rock, a meteorite, a white diamond, or a rare radioactive element. Can you guess what it is?
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The 10 Most Expensive Materials in the World, by Ravi Sharma
10 Most Expensive Materials in the World
10 Most Expensive Materials in the World
The 10 of the most eye-wateringly most expensive materials on Earth - Interesting Engineering
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World's most expensive material costs $62.5T per gram
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