The most expensive metals in the world, in order, capture the attention of many people who are interested in precious metals, in terms of their composition and economic value, as these precious metals can be used in many different fields, investments, uses, and many industries, and these minerals can be expressed with some distinctive symbols; Therefore, money makers provide you with some general information about the most expensive minerals in the world, in order, through the following lines.
The most expensive metals in the world in order
Precious metals are usually opaque in appearance, with a strong and shiny luster, and are used in many different uses and industries such as the jewelry industry in general, where gold and silver are used in the jewelry industry around the world, although they are used in many other industries and fields.
Each mineral also differs from the other in terms of the value it contains and the extent of difficulty with which the mineral is extracted from the ground, and the characteristics that each mineral contains by itself. The minerals in the world are as follows:
(rhodium, iridium, palladium, rhenium, gold, platinum, ruthenium, osmium, silver, indium) The most expensive metals in the world will be presented in detailed order, as follows:
1- Rhodium metal
Rhodium metal comes at the top of the list of the most expensive metals in the world in order, and it is one of the most valuable and rare metals in the world, as it is distinguished by its white and silver color as it is a highly reflective element, and it resists rust processes, and the name of the metal is derived from the Greek name “Rhodon”, which expresses the flower; Because it contains a large amount of red salts.
Genesis and discovery of rhodium metal
Rhodium metal was discovered by the English chemist William Hyde Wollaston in 1803, during a short period of William's exploration of palladium metal, where William extracted rhodium metal from inside a piece of platinum ore that was located in southern South America, Rhodium is obtained by refining and mining processes for the platinum element, as it is found within platinum deposits.
William discovered this when he found the red color spread inside the platinum metal, and Willian believed that this red color might indicate some salts that indicate the presence of an undiscovered metal yet, and through a series of chemical reactions and processes, the scientist William was able to discover the element rhodium from platinum Raw, it is a dark red powder.
Rhodium properties and features
Rhodium metal has several special features that make it among the most expensive metals in the world, in order, because it is characterized by the following:
Rhodium metal is classified as a noble metal, meaning that it does not interact with oxygen easily, and it is classified as one of the six metals belonging to the platinum group.
Rhodium metal is used as a catalyst with high corrosion and oxidation resistance.
This metal is characterized by its high melting point.
It is one of the rare metals within the platinum group, as it is only one part out of the presence of about 200 million parts within the earth's crust.
Rhodium has a lower density than platinum and a higher melting point than platinum.
This metal is not affected by water and air, and it has a temperature of 1.112 Fahrenheit.
Rhodium metal is resistant to many acids.
This metal is rarely used alone, and is more often used within an alloy or alloy.
All rhodium metal compounds are easily reduced and decomposed by heating them to produce a metal powder.
The price per gram of rhodium metal is about $2,930 per ounce.
Rhodium metal uses
Rhodium metal has many different uses and fields, which can be as follows:
Rhodium metal is mainly used in catalytic converters inside cars, which are specially designed to purify and clean car exhausts from polluted air, by reducing the amount of nitrogen oxide gas that is found in car exhausts.
Rhodium metal is used to finish jewelry industries; This is because it is a shiny and tarnish resistant item.
It can be used in the manufacture of headlights and various mirrors.
It is used by placing it inside special molds made of platinum for turboprop aircraft engines.
According to studies by the Royal Society of Chemistry, rhodium metal is used in the manufacture of nitric acid, acetic acid, and hydrogen reactions as a catalyst.
It also has many different uses, including in the fiber optic coating industries, crucibles, thermocouple elements, and front light reflectors.
Due to RSC studies, it is used as an electrically conductive material; This is because it has low electrical resistance and corrosion resistance.
It is used in the manufacture of alloys to withstand high temperatures, by mixing rhodium, platinum and iridium metal. These alloys may be used in electric induction furnaces, phonograph needles, electrodes for sparks, and inside electrical contacts and electrical resistance wires.
The alloy of rhodium and platinum can be used in the manufacture of pacemakers.
2- Iridium metal
Iridium metal is classified as one of the most expensive metals in the world, in order; This is because it has many properties and advantages that distinguish it from other minerals, and iridium is one of the rarest minerals found in the earth's crust.
Origin and discovery of iridium
Iridium was discovered for the first time during the nineteenth century, when it was found during the dissolution of raw platinum in water, and it was called iridium because it contains highly colored salts.
This metal is also found in the ground, and is available in parts of the universe in abundant quantities. It was found inside meteorites, and is present in a large percentage in Canada, South Africa, Russia and the state of Alaska. According to proven studies, it was found that South Africa is the main producer of iridium metal in the world.
properties of iridium metal
Iridium metal is classified as one of the most expensive metals in the world, in order, for the reasons that we will refer to in the following points:
From the family of platinum metals or what is known as the noble family that does not interact with other compounds and elements easily.
It is solid and transitional
Palladium metal is one of the most expensive metals in the world, in order, and it is from the noble platinum group. In addition, it is extracted from copper and nickel ores. It is also used in the jewelry industry and in the fields of medicine and dentistry. This is because it is a very hard, rare transition metal, and has a lustrous silvery white colour.
Origin and discovery of palladium
Palladium metal was discovered for the first time during the year 1802 by the world - Hyde Wollaston, by means of platinum ore that is found in South America and was heated to a large degree to extract palladium metal from its interior.
Palladium is also one of the rare metals, as its presence in the earth's crust is about 0.015 parts per million, and it is found in nature, along with small quantities of platinum and iridium metals.
The palladium element is found in Brazil, Colombia, the Ural Mountains and South Africa, and it is extracted from ores of gold, silver, nickel and copper.
Characteristics and advantages of palladium metal
Palladium metal has several properties that make it among the most expensive metals in the world, in order, and its properties can be displayed as follows:
This metal includes many harmful effects on some plants such as the Nile rose and thick-stemmed plants, and it also includes a degree of toxicity.
Its specific density is about 02.12 grams per cubic centimeter.
It appears as a solid at room temperature.
The boiling point of palladium is about 2,960 degrees Celsius.
uses of palladium metal
Palladium metal is used in many different industries and other uses, which may be as follows:
Palladium metal is used as a catalyst in hydrogenation reactions that occur for dehydrogenation.
It helps greatly in purifying hydrogen gas; This is because hydrogen atoms diffuse easily in hot palladium.
It is widely used in the field of dentistry.
It is used directly in the manufacture of white gold, as white gold is considered ordinary gold, but it turns white due to the inclusion of palladium metal on it.
Palladium metal is used in the manufacture of surgical instruments and watches, in addition to making electrical connections.
It is used as a substitute for silver metal in the photographic field, as well as a substitute for platinum metal in platinum pattern printing.
4- Rhenium metal
Rhenium metal ranks fourth in terms of the most expensive metals in the world in order, and its name was derived from the Latin term “Rhenus”, which refers to the Rhine River.
It is worth noting that rhenium metal is mainly spread in Germany, although it is spread in many different regions and countries in the world; This is because Germany is the first country to extract and produce this mineral, and it is characterized by its white color that tends to silver, and it has a special metallic luster.
Genesis and discovery of rhenium metal
Rhenium metal was discovered in 1925 by Walter, Duck, Ida Tuck, and Otto Berg, as there is no rhenium metal in nature free or in compound form in special minerals, but we can get rhenium metal through molybdenum dust in the chimneys that It is found within copper sulfite.
Rhenium properties
Rhenium metal is characterized by several characteristics and advantages that make it one of the most expensive metals in the world, in order, as it has the fourth rank in the world, and among the features are the following:
The element rhenium is characterized by its silvery-white color, metallic luster, and high density.
The most common commercial form of rhenium is a powder, and it can be rendered as a solid by pressing it.
Rhenium metal has a very high melting point, and it is one of the hard and very hard metals, in addition to that, it has the hexahedral crystal system.
Rhenium metal has a high degree of resistance against corrosion and rust, and it may be very similar to manganese metal.
Rhenium is one of the most precious metals on Earth.
This metal has a high electronegativity.
Rhenium is a relatively inert metal. This is because it cannot interact with oxygen gas.
Rhenium metal is characterized by its high ability to interact with each of (fluorine, bromine, chlorine, selenium and sulfur).
The mineral contains some chemical compounds that make it capable of having different degrees of oxidation.
It has a low degree of toxicity or what is known as the toxic effect when compared to the rest of the different metals in the same group.
Uses of rhenium metal
Rhenium metal is used in many different fields and industries, which may be as follows:
Rhenium metal is used in the manufacture of electrical connections; This is because it is a strong, corrosion and rust resistant component.
It is used in the production of gasoline without adding lead and high octane, in the form of a catalyst.
Rhenium is used in the industries of electrical contact materials.
It can go into many different laser procedures.
Rhenium is used in magnetic imaging.
This metal can be used in many welding processes of steel bars.
Rhenium metal is used in many wire and battery industries.
It is used in the manufacture of various mobile motor alloys.
Rhenium is widely used in the manufacture of instrument filaments used in mass spectrometry.
Rhenium is involved in the hydrogenation of burning chemicals.
It is used in the manufacture of magnets that are high in quenching strength.
Rhenium metal is used most of the time in the manufacture of thermocouples.
Rhenium metal alloys are characterized by the strength of electrical conductivity; Therefore, it is used to measure high temperatures, which may reach 2200 degrees Celsius.
5- Gold metal
Gold is one of the most expensive metals in the world in order, and therefore it occupies the fifth place in terms of arrangement, and it is among the elements that
A chemical that contains a large atomic number, and it is found in nature in abundance, and it appears in the form of a yellow metal that may tend to red at times.
Origin and discovery of gold
Most scientific studies indicate that the gold metal was found in the form of dust during the formation and development of the solar system, and since the globe was molten at that time, this indicates that the gold metal is naturally found within the core of the globe.
In another belief of some scientists regarding the origination of the gold metal in the core of the globe, it may have arisen as a result of the collision of a group of asteroids during the occurrence of the late bombing operations, and after that it was exposed to the transformations and geological processes that led to its appearance to the surface of the earth's crust.
properties of gold metal
Gold metal occupies the fifth position in the list of the most expensive metals in the world, in order; This is due to the fact that it contains some characteristics and advantages, and among these characteristics are what we will present as follows:
The gold metal is characterized by its high density and has a strong and bright yellow colour.
One of the softest and most flexible minerals, it can be found in various rock sediments and river sediments.
Gold metal is characterized by fixed economic value, which directly affects monetary policies.
This metal is used directly in the formation of various alloys, which are melted to manufacture and form jewelry of all shapes.
The gold metal is classified according to the karat, by making some comparisons between the percentage of gold and the percentage of other metals that are mixed with it. To form and manufacture various jewelry.
Gold is among the group of transition noble metals, which are amenable to ductile and malleable processes.
Gold metal is unaffected within common acids, but it can be affected within water aqua regia; This is because it is considered a mixture of hydrochloric and nitric acid.
The gold metal may be present in the form of pieces or granules inside the rocks or in the ground, and it can also be obtained from the silt that is found at the bottom of rivers.
Gold is one of the rare metals that is easily processed, and it is characterized by its non-corrosion, and it has a heavy weight that makes it able to form many different alloys.
Gold is characterized by its ability to conduct electricity well, and it also has a high ability to reflect electromagnetic radiation such as infrared rays.
Uses of gold metal
Gold metal is involved in many industries, uses and various fields, which may be as follows:
Gold metal is used in the manufacture of various coins and the manufacture of jewelry and ornaments.
This metal has been used since ancient times in many works of art for many different civilizations of tribes and peoples.
Gold was used since ancient times in many monetary transactions, as it was used to buy and sell goods in the form of barter and wealth collection.
Gold metal has an important and fundamental role in global economic processes, as it directly affects global monetary policies.
Gold may be used in the manufacture of some food additives that are in the form of chips used to decorate dishes and drinks.
It is used in the manufacture of electrical connections that are found inside computers or various electronic devices. This is because it is not corrosive.
Gold may be used in the manufacture of some aircraft and various spacecraft.
It can be used to treat some mental illnesses such as neurological disorders, depression and epilepsy.
Gold metal is used directly in the field of dentistry, as gold alloys can be used to restore teeth and various molar fillings.
It can be used for photography; This is to make the silver bromide colors brown instead of black.
Gold metal is used to connect wires that are inside integrated circuits, or what is known as electrical circuits.
It is used alongside silver metal directly in the formation of various alloys from which jewelry, ornaments, and various jewelry are made.
Transparent gold plates are used for protection against radiant heat, as opposed to infrared radiation.
Methods of verifying gold metal
It is possible to verify whether a metal is real or fake, through some specific methods as follows:
There is a distinctive mark on the pieces of gold called the hallmark.
The magnet is used to find out whether the gold metal is original or not, by attracting the gold to the magnet. Because it contains a large proportion of iron.
Vinegar can be used to identify adulterated gold, as a small piece of gold is placed inside vinegar, and if its color turns black, the gold is adulterated because gold metal does not interact with acids and elements.
Nitric acid is used to find out the gold metal. This is because gold is not corrosive within this acid compared to other metals.
The piece of gold is rubbed with a plate of ceramic, and if it leaves a trace of color on the ceramic, then this is considered adulterated gold, and if it does not leave a trace, then it is considered an original gold metal.
Keywords
The most expensive metals in the world to buy
cars prices
Oil prices
Oil prices
Global stock market news
Exchange Rates
