The 15 most rare and expensive materials on the planet

6 Painite

This rare gem is usually bought by gem collectors. It has a mixture of red-brown and orange hues. There are only a few hundreds of these on the planet. This stone is so rare, not many people know of its existence. A single gram is worth $9,000.

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5 Taaffeite

Another rare gemstone, discovered by Richard Taaffe. It is harder to find than diamonds yet more durable. It can be found in violet, red, pink or white colour. Although this stone is rare and expensive, it is not used a lot in jewellery. One gram of this costs $20,000.

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4 Tritium

This rare radioactive isotope has illuminating properties that makes it very useful in self-illuminating products. Being a radio-active isotope, it has applications in nuclear weapons too. The price of the 4th most expensive material on the planet is $40,000 for one gram.

Tritium

3 Diamonds

You knew you were going to see this sharp, hard and colourless, crystallized carbon structure on this list. Best known for its use in jewellery and being a woman's best friend, a single gram of this will set you back by $55,000.

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2 Californium

And now we enter the million-dollar league with the first substance, Californium. This rare substance can only be produced in a lab and can only be done by the best nuclear scientists. Being radioactive in nature this substance is used in nuclear applications. The price for one gram is from $25 million to $27 million.

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1 Antimatter

The most expensive substance on this planet, the price of which is not in millions or billions but trillions. This substance takes years and a fortune to produce and is highly destructive if not handled with care. When antimatter collides with normal matter it produces a huge amount of energy which is why scientists are researching this material. One gram of antimatter is worth $62.5 trillion.

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