18. White Truffle. The cost of the seasonal mushroom varies from $ 5 per gram to $ 2,000 per pound. It is so expensive because it grows underground and is a delicacy in cooking.
17. Saffron. The dried stigmas of this flowering plant has been used for centuries as spice and food coloring. Also saffron is used in medicine. 1 gram of this substance costs more than 11 dollars or 5040 dollars per pound.
16. The Iranian beluga caviar. The caviar, of course, is not a cheap product. But this variety, known as “Almas”, is more expensive than others. The cost of one gram is 35 dollars. Per ounce, respectively, you’ll have to pay $ 1,000.
15. Gold. The price of gold ranges from $ 39 per gram. This metal is valued not only for its jewelry quality, it has a high electrical conductivity and resistance to corrosion.
14. Rhodium. This precious metal is used in mechanical engineering, to be precise – rhodium serves to reduce carbon emissions. The cost of such substances – $ 45 per gram or $ 1270 per ounce.
13. Platinum. And another noble metal which is used in jewelry, as well as in medicine. The price of platinum is about $ 48 per gram or 1365 dollars per ounce.
12. Rhino’s horn. Surprisingly, but the rhino’s horn is used for the preparation of medicinal potion, which treats different deceases. People believe that it can cure even cancer. The price of such substances – $ 55 per gram or 25 thousand dollars per pound.
11. Crеme de la Mer. This cosmetic product has already overgrown with legends. Some celebrities use it every day, believing that it keeps them young. This cream costs $ 70 per gram or $ 2,000 per ounce.
10. Heroin. Probably everyone knows that the heroin is a drug and it makes people addictive. Pure heroin cost reaches $ 110 per gram.
9. Methamphetamine. This medication causes a feeling of euphoria and causes addiction. The price of methamphetamine – $ 120 per gram.
8. Crack-cocaine. Another very potent drug. This is a mixture of salt and baking soda. The cost is 1 600 dollars per gram of crack cocaine.
7. LSD. This substance is a kind of drug. It can cause hallucinations. The price of LSD is approximately $ 3,000 per 1 gram.
6. Plutonium. This radioactive metal is used to produce nuclear weapons, as well as fuel for nuclear reaсtors and energy source in space vehicles. 1 gram of plutonium costs $ 4,000.
5. Taaffeite. Taaffeite is a very rare lilac gem. It is used in jewelry. The price of 1 carat (0.2 grams) of this stone is 2400 dollars.
4. Tritium. This is a very expensive material – super-heavy hydrogen is used for illumination of watches. Its price is $ 30000 per gram.
3. Diamonds. The explanations are not needed – diamonds are used in the manufacture of jewelry. The price of 1 carat of colorless diamond is 13000 dollars.
2. Payne. It is the rare mineral. It is often used in folk medicine. The cost of 1 gram of this mineral is about $ 300,000.
1. Californium. And finally, the most precious substance – a radioactive chemical element californium. The isotope of californium, which assigned the number 252, is used in special devices which seek oil deposits. The cost of this substance is 27 million dollars per gram.
