Rhenium is one of the most uncommon metals found in the earth's crust, with the third highest melting point and second highest boiling point of any stable element.

Its chemical element symbol, Re, and atomic number 75 can be used to identify it. Rhenium was first identified in 1908 and was given the name Rhenium after the Rhine River in Europe. It was also the second-to-last stable element discovered, following hafnium.

Nickel-based superalloys are frequently employed in combustion chambers, turbine blades, and exhaust nozzles of jet engines. At the moment, a troy ounce of rhenium costs around $1,290.

Price: $1,290 per troy ounce

This exceedingly uncommon precious metal is defined as a silver-white, robust, corrosion-resistant inert transition metal. Rhodium is a noble metal that belongs to the platinum group. It was discovered in 1803 by William Hyde Wollaston and named after one of its chlorine constituents, which is rose in color.

It can be found in platinum or nickel ores, along with other platinum group metals. Around 80% of the world's Rhodium is utilized as one of the catalysts in a three-way catalytic converter in automobiles, similar to the world's second most expensive precious metal, Palladium.

Rhodium's current price per gram is $260.42, making it the most costly precious metal.

Price: $260.42 per gram

Palladium is a chemical element with the atomic number 46 and the symbol Pd. Palladium was named after the asteroid Pallas after it was discovered in 1803 by English chemist William Hyde Wollaston.

Palladium, along with Platinum, Rhodium, Ruthenium, Iridium, and Osmium, is a member of the Platinum Group. While they all have similar chemical properties, Palladium has the lowest melting temperature and is the least dense of them all. Palladium is most commonly employed in Catalytic Converters, which transform up to 90% of the dangerous gasses in vehicle exhaust into less toxic chemicals.

It's also utilized in electronics, groundwater treatment, hydrogen purification, dentistry, and medicine, as well as some of the world's most expensive jewelry. If you want to invest in this precious metal, you'll need a lot of cash, since a single gram of Palladium will set you back $72.13!

Price: $72.13 per gram

Iridium is a hard, silvery-white transition metal with the second highest density on the planet. The current price of iridium is roughly $520 per ounce.

It is the most corrosion-resistant metal, and it may be found in meteorites and the earth's crust in large quantities. Smithson Tennant discovered iridium in 1803 and called it after the Greek goddess Iris because its brilliant salts resembled all the hues of the rainbow.

South Africa produces the most significant amounts of this metal, which it sends to countries all over the world for use in a variety of items, including watches and compasses, as well as numerous automobile parts.

Price: $520 per ounce

Gold is the world's third most expensive precious metal. This precious metal needs no introduction because gold is the most well-known metal on the planet.

Gold is a bright yellow, dense, soft, malleable, and ductile metal that is one of the least reactive chemical elements on the planet in its purest form. In rocks, veins, and alluvial deposits, gold is frequently discovered in its free element natural form, as nuggets or grains.

It's still regarded as rare, which explains the high price, and has been used for coins, jewelry, and art throughout history. China continues to produce the most gold, with an estimated 440 tons per year. The price of gold per gram is around $53.95.

Price: $53.95 per gram

Osmium is a hard, bluish-white platinum group transition metal that can be found as a trace element in alloys and platinum ores. This is one of the most expensive precious metals.

Osmium's the densest naturally occurring element, and it's used to manufacture fountain-pen nibs and electrical contacts. It's also one among the world's rarest elements, which explains why it commands such a premium price.

You should expect to pay roughly $400 per troy ounce, which has remained fairly steady throughout the 1990s but can fluctuate slightly depending on the market.

Price: $400 per troy ounce

Ruthenium is listed on our list of the most expensive precious metals. Ruthenium is now priced at around $260 per ounce.

Ruthenium (Ru) is a chemical element with the symbol Ru and the atomic number 44. Ruthenium is a rare transition metal that belongs to the Platinum group and was discovered in 1844 at Kazan State University by Russian-born physicist Karl Ernst Claus.

Ruthenia is Latin for Rus', hence he named the element Ruthenium in honor of Russia. Ruthenium is most typically found in ores containing other platinum group metals in North and South American mountains. It's found in a variety of electronic gadgets and equipment.

Price: $260 per ounce

Scandium is one of the world's most expensive precious metals. The symbol Sc, or atomic number 21.A, can be used to identify this chemical element. Scandium acetate is priced at $44 per gram.

Scandium was found in 1879 by spectrum investigation of the minerals euxenite and gadolinite in Scandinavia. Lars Nilsson, a Swedish scientist, is credited with giving it the Scandinavian name.

It has a silvery-white metallic hue and has been classed as a rare-earth element throughout history. It's present in most rare-earth and uranium-based deposits, but it's only recovered from certain ores in a few mines across the world.

Price: $44 per gram

Indium is a chemical element with the symbol In and atomic number 49. It is a delicate white-silver chemical element. Indium has a melting point slightly higher than sodium and gallium, but slightly lower than lithium and tin. Depending on purity and quantity, indium costs between $1 and $5 per gram.

Ferdinand Reich and Hieronymous Theodor Ritcher used spectroscopic methods to detect it in 1863. It was given the name Indium because of the indigo blue line in its spectrum. Indium is most widely utilized in the semiconductor sector for alloys, soldiers, and high-vacuum soft-metal seals.

Indium is the softest metal on the planet, except for Alkali, and is a post-transition metal that makes up about 0.21 parts per million of the earth's crust.

Price: $1-$5 per gram

Silver is one of the most well-known and widely used metals on the globe. Ag is the chemical symbol for this element, and its atomic number is 47. Silver has the highest electrical conductivity, thermal conductivity, and reflectivity of any metal that has ever been discovered.

It can be found in the earth's crust as an alloy with gold and other valuable metals, as well as in minerals such as Chlorargyrite and argentite. The majority of the world's silver, on the other hand, is created as a by-product of the refining of gold, lead, copper, and zinc.

Silver has long been regarded as a precious metal and has been utilized in a variety of applications, including bullion coins and non-currency applications such as solar panels, water filtration systems, and jewelry.

Price: $0.48 per gram