What is the most expensive material in the world? Many would surely answer Platinum, or gold or even diamonds.
However, the truth is actually quite different.
Gold is not even among the top five most expensive elements in the world.
Below is a list of the most expensive:
This is the most expensive substance on earth. One gram of it will be worth $62.5 trillion. In theory, it will be used as fuel for spacecrafts in the future.
However, to make just one gram of it, all of mankind will have to work for about a year without rest.
Californium is a radioactive metallic chemical element with symbol Cf and atomic number 98. The element was first synthesized in 1950 at the University of California Radiation Laboratory in Berkeley, by bombarding curium with alpha particles (helium-4 ions).
It is the second most expensive material at $25-27 million per gram.
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At $55,000 per gram, Diamond is the third most expensive material on earth and it is a metastable allotrope of carbon, where the carbon atoms are arranged in a variation of the face-centered cubic crystal structure called a diamond lattice.
Tritium is a gas used in lighting. It costs about $15 million to produce a pound of tritium.
Taaffeite costs about $20,000 per gram. It is a precious stone of a violet, pink, red, or white color. It is quite rare but not very popular when it comes to jewelry, so it’s relatively inexpensive.
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Painite goes for $9,000 per gram and is so rare that very few people actually know it exists. It’s a mineral of an orange or reddish-brown color, and it was only discovered 65 years ago. There are just a couple hundred of these stones in the world today.
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