The most precious materials in the world

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The most precious materials in the worldWe are all somehow familiar with the price of a gram of gold, we know that it is one of the most precious materials on Earth, but how high  would it rank in a top of the most expensive materials in the world?

You can see below which are they and what are their most common uses:

10.Rhodium – Price: 37$/gram

Rhodium has the ability to increase the hardness of the various materials and is very valuable to manufacturers of glass and automotive industry, being used  in catalytic converters to transform the toxic gases into harmful gases, such as nitrogen or carbon dioxide.

9. Platinum – Price:51$/gram

A noble metal rarelyused extensively in the laboratory
Each year, providers fail to extract but a few hundred tons of this precious rare metal. Platinum is a precious metal, very non-reactive, which makes it more resistant to corrosion and chemicals, even at high temperatures. As a result, platinum is often used in the manufacture of medical, dental and laboratory equipment.

8.Gold – Price:55$/gram

In times of crisis, gold becomes a must have investment, raising the already quite high price, even higher. But it is also used for industrial purposes or jewelery. So far,  have been exploited over 188.800 tons,  unexcavated reserves being estimated at about 56,000 tons.

7. Helium-3 – Price: 2000$/gram

Helium-3 is found when radioactive tritium chemically breaks. It is appealing to researchers for the potential it has to develop “clean”, nuclear energy  but unfortunately, Helium-3 is rare on Earth; 1989, NASA has explored the possibility of extracting  this gas from the surface of the moon where it is deposited by the solar winds.

6. Red Beryllium – Price:10.000$/garm

Red beryl is so rare, that it was found only in a few places on Earth, particularly in the mines of the states of Utah and New Mexico. The crystal, which is used for jewelry, has a slightly lower hardness than the diamond, but it is much rarer.

Beryllium is a group of minerals that are colorless in their pure form, but catch a tint when they contain impurities. Although most shades result in green or blue crystals – emeralds and aquamarine -the rare red beryllium’s red coloration is due the distinct colloration of iron, chromium, calcium and magnesium.

5. Plutonium – Price: 10.900$/gram

Although radioactive plutonium has a bad reputation, it is indispensable to scientists. It is used as fuel for nuclear reactors, but also to power satellites that require an efficient energy source for the long distances they travel. Plutonium-based batteries fuel also Voyager 1 –  the spacecraft that reached the edge of our solar system – and that could continue its journey until 2025.

4. Thritium – Price:30.000$/gram

If your watch pointers glow in the dark, you own a small portion of the radioactive  tritium isotope. A type of superheavy hydrogen made in the nuclear reactors, tritium is an essential element for hydrogen bombs. But there’s no reason to throw away your watch – because it emits beta rays that are too weak to penetrate human skin alone, tritium is a health hazard only if it is inhaled or swallowed.

3. Diamonds – Price: 210.000/gram

The hardness of a mineral is measured on the Mohs scale; diamonds, with a score of 10, are at the top of the list. They are formed by immense pressure from within the earth, being the hardest material on the planet, altough there are quite many.

Resistance makes them particularly useful for industrial applications where around 70% of them end up every year,  in tools such as dental drill and ultrafine saws. Their price depends on the color, clarity, cut and weight. Large diamonds without flaws are usually the most expensive because they are so rare.

2. Callifornium – Price: 27 million dollars per gram

Callifornium is a man-made element, which appears when scientists are bombarding the chemical curium with alpha particles. The result is a radioactive material. There are 10 known versions and can be used to treat certain forms of cancer and to detect gold and silver in various ores. Although the item is made artificially on Earth, some stars that explode as supernovae can produce it in space.

1.    Antimatter – Price: aprox. 100 trillions of dollars/gram

Antimatter – a mirror image of the existing matter – it is very difficult to produce: physicists can only create it in the world’s largest particle accelerator – the Large Hadron Collider near Geneva, Switzerland. So far, only about a billionth of a gram of antimatter can be produced per year. It is so rare, that the potential uses are largely unexplored. One area where the material shows possible practical applications is in the treatment of cancer.

Researchers have found that antimatter, if directed to the tumor is very effective in destroying cancerous cells, although clinical use is far from being implemented.

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