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The 15 most expensive materials in the world -and gold is not top of the list!

6/ Plutonium

Plutonium is a radioactive actinide metal. It exists in solid crystallised form and has a silver grey surface. With a price per gram of around 2,900 euros, plutonium is a truly precious metal.

Credits: Wikipedia

7/ LSD

With a current price of 2170 euros per gram, LSD is quite the deluxe hallucinogenic!

Credits: Wikimedia Commons

8/ Rhino horns

Rhinoceroses are hunted by poachers for their horns, which are sought for their healing properties, especially for cancer and for fever. And the cost? 79 euros per gram.

Credits: Pixabay

9/ Saffron

Saffron is a spice obtained by cultivating the crocus flower. Widely used in cooking, but also in dying clothes, it has a price of 50 euros per gram.

Credits: Pxhere

10/ Heroine

Heroine, also called diamorphine or diacetylmorphine, is a psychotropic substance that was discovered by Bayer. It is a semi-synthetic opiate obtained by the acetylation of morphine. It is used as an analgesic in the field of medicine, but it is mainly used illegally as a drug. It costs around 40 euro a gram.

Credits: Pixabay