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TOP 10 most expensive rare metals in the world today 2024

Rare metals always attract attention because of their high value and scarcity. This article will introduce the top 10 most expensive rare metals in the world today, and explore their unique characteristics and applications.

1. Rhodium

Rhodium is 5 times more expensive than gold

Rhodium is one of the rarest and most expensive metals in the world. It is often used in car air pollution removal devices because of its high durability and good heat resistance. Rhodium supply is very scarce so prices often fluctuate at extremely high levels.

A precious metal belonging to the platinum group, Rhodium is highly resistant to corrosion and is used in automotive catalytic converters and other industrial applications. Estimated value is 4,200 USD/gram.
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2. Iridium

Iridium is a very rare element that is 3 times more expensive than gold

Iridium is one of the most expensive precious metals. It is silvery white, very hard, and has the highest melting point of all metals. Iridium is used in intensive industrial applications such as catalysts and aircraft parts.

The hardest metal in the platinum group, Iridium is used in ballpoint pens, spark plug electrodes, and other high-wear applications. The current value is about 4,800 USD/gram.
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3. Osmium

Osmium belongs to the top precious metals, known as the element of the sun

Osmium is the heaviest and most expensive precious metal in the periodic table of elements. It has a dark blue color, high melting point, and is used in the analytical, electronics, and aerospace industries.

The metal with the highest density, Osmium is used in medical instruments, high-end ballpoint pens, and stylus tips. Estimated value is 4,000 USD/gram.
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4. Ruthenium

Ruthenium is also quite rare compared to other metals

Ruthenium (symbol: Ru, atomic number: 44) is a rare metal belonging to the Platinum group, has a silvery white color and belongs to group 8 on the periodic table. It has good heat and corrosion resistance and is used in the fields of electronics, chemicals and jewelry.
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5. Palladium

Palladium is quite rare but few people know about this metal

Palladium (symbol: Pd, atomic number: 46) is a rare metal belonging to the platinum group, with a shiny silver-white color. It is known for its excellent toughness, tarnish resistance and corrosion resistance. Palladium is one of the most widely used metals in the platinum group.
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6. Platinum

Platinum is a rare and precious material on earth

Platinum is a familiar precious metal with a beautiful silver-gray color. It is widely used in jewelry, souvenirs, automotive catalytic systems and chemical industries.

Rare metals are commonly used in jewelry, dentistry, and industrial applications. The current platinum price is about 1,000 USD/gram.
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7. Rhenium

Rhenium is extremely durable and silver in color, belonging to the top rare metals

Rhenium is a rare and expensive metal with a silvery white color. Ruthenium is a rare metal belonging to the platinum group, has a silvery white color and belongs to group 8 on the periodic table. It is prized for its durability, corrosion resistance and unique chemical properties.

Ruthenium is found in nickel and copper ores, often in association with other platinum group metals. The process of mining and extracting ruthenium is quite complex and expensive, which contributes to its high value.

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8. Gold

Gold is a valuable metal used for jewelry and investments

Gold is a precious metal famous for its characteristic yellow color. It has good thermal and electrical conductivity and is used in jewelry, investment, electronics and technology.

Gold (symbol: Au, atomic number: 79) is a rare metal with a brilliant yellow color, prized for its beauty, durability and resistance to corrosion. Gold is one of the earliest metals used by humans, with a history of mining and use spanning thousands of years.

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9. Iriđium

Iridium (symbol: Ir, atomic number: 77) is a hard, brittle, silver-white metal belonging to the platinum group. It has high hardness and is used in applications such as catalysts, ballpoint pens, and watches. It is considered the densest element (after Osmium) and the most corrosion-resistant metal, even at high temperatures of about 2000°C.

Iridium prices fluctuate with the market, but it is generally an expensive metal. The current price (March 2024) fluctuates around 4,800 USD/gram.
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10. Californium-252 (Cf-252)

The artificial metal Californium-252 is strictly managed during production and storage

This is a super rare and extremely strong man-made metal. Californium-252 (Cf-252) is an artificial radioactive isotope of Californium, an actinium metal. Cf-252 is famous for its extremely strong radioactive properties, used in many fields that require a strong neutron source.

Due to its extremely radioactive properties, the production, transportation, use and storage of Cf-252 are strictly controlled by international and national nuclear regulatory agencies. Californium-252 is a very expensive material, estimated to be up to 27 million USD/gram (March 2024).
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