Antimatter is known as the most expensive substance on earth - according to NASA in 2006, the production of milligram positron worth approximately $ 25 million.
2. California 252 - $ 27 million / gram
Isotopes of California do not have any practical application. In the West, this element has been created only once since its opening in 1950.
3. Diamonds - $ 55,000 / gram
Colorless stone can cost more than $ 11,000 per carat, but colored diamonds are much more expensive.Diamonds are evaluated according to the "4 C?: cut (cut), clarity (clarity), color (color) and carat (weight in carats), which allows you to determine whether the stone is close to perfection.
4. Tritium - $ 30,000 / gram
The production of one kilogram of tritium costs $ 30 million. Used in light sources, as the tritium illumination.
5. Pain - $ 9000/gramm or $ 1800/karat
Pain is a mineral orange or reddish-brown. It was discovered in Burma in the mid-1950s. and since then is considered the rarest gemstone in the world.
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