The 15 most rare and expensive materials on the planet

11 Rhinoceros's horn

Many people argue whether the horn has any medical proprieties, regardless the rhino species is still on the verge of extinction. There are supports on both sides of this argument on the use of a rhinoceros's horn. The price for a gram of that horn is $110.

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10 Heroin

The drug along with cocaine that has been ruling and destroying lives since the 1900s. Illegal in every country yet consumed by millions in different ways. It can be smoked, snorted or injected straight into the bloodstream. One gram of Heroin costs from $110 to $130.

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9 Cocaine

One of the most infamous drug in all of human history. The drug that has ruined and destroyed lives. It will cost you a fortune to this highly addictive white crystal powder. The price for one gram can range from $250 to $600 based on the purity.

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8 LSD

One of the most famous or better to say infamous drugs of the 1960s. It was synthesized by Albert Hoffman and caused hallucinations which made it so popular. Currently the drug is sold at an astonishing $3,000 for a single gram.

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7 Plutonium

This rare and extremely radioactive material is used in science and military work for example creating nuclear weapons. It is heavy yet a very fragile substance of a silvery-white colour. The current price is $4,000 per gram.

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