Iron ore is found in nature in the form of rocks, mixed with other elements. In this way, the economic use is greater when the iron content of an ore is also high.

In the construction of houses, in the manufacture of cars and in the production of household appliances, a small amount of iron ore is found, it is still a vital ore for the production of steel.

Although iron ore is abundant on the planet, deposits are distributed in few countries.

Brazil has the third largest reserves in the world, behind only Australia and Russia, according to Global Iron Ore Mining.

Manganese is the 12th most abundant chemical element in the earth's crust and its main ores are pyrolusite and rhodochrosite. The largest deposits are located in South Africa, Brazil, Ukraine, Australia, India, China and Gabon.

It is widely used in cars and civil construction, so around 90% of all manganese currently consumed goes to steel mills, despite this its applications also include the manufacture of fertilizers, animal feed and cars.< /p>

The Brazilian mine of Azul, in Pará, stands out for having high-grade ore, at least 40% manganese content.

Titanium (Ti) is the ninth most abundant element on earth. It is a lithophile element and has a strong affinity for oxygen, causing most of the titanium in the lithosphere to be in the oxide form. It is. Titanium is a silvery-shining metal, lighter than iron, almost as strong as steel, and almost as resistant to corrosion as platinum. In the industrial field, titanium is mainly used in the form of oxide, chloride and metal. Titanium oxides of economic interest are ilmenite, leucoxenium, rutile and, more recently, anatase and perovskite.

Ilmenite generally tends to have contents of 45-53% Tio2 with 35-40% Fe2O3 being very abundant in cassiterite and gold tailings, rutile has contents of 85 to 92% Tio2.

In the form of metal and its alloys, about 60% of titanium is used in the aeronautical and aerospace industries, being applied in the manufacture of parts for engines and turbines and fuselage of airplanes and rockets. The remainder is used in:

Chemical industry, due to its resistance to corrosion and chemical attack;

Naval industry: metallic titanium is used in subsea equipment and seawater desalination;

Nuclear industry: it is used in the manufacture of heat exchangers in nuclear power plants;

War industry: metallic titanium is always used in the manufacture of missiles and artillery pieces;

In metallurgy, metallic titanium, alloyed with copper, aluminum, vanadium, nickel and others, provides superior qualities to products. Another application, which occurs only with rutile, is the coating of welding electrodes.

Tantalum is a metallic element found in very low concentrations in the Earth's crust, predominantly in tantalite ore, or in lower concentrations in columbite ore.

It is widely used in the manufacture of metallic alloys, capacitors for cell phones and other electronic devices, high temperature ovens, as well as prostheses and other surgical equipment.

Its compounds are used in various sectors of industry, such as aerospace, automotive, electronics, among others.

Copper is widely used for electrical power transmission, within homes and commercial buildings, as well as in conventional power generation systems and renewable energy due to its excellent ability to conduct electricity and tensile strength. In addition, it is used for the production of electrically conductive materials (wires and cables), and in metallic alloys such as brass and bronze. In addition to also being used in the fertilizer industry ( Malachite ).

Minerals can be divided mainly into sulphide, oxidize, carbonate and silicate. Sulfides are most important to the copper assurance industry. Chalcopyrite, chalcocite and bornite are the main copper sulfide minerals.

Secondary are oxidized and carbonated minerals. Copper-bearing minerals are found in small concentrations in copper ores. Depending on the occurrence, copper can have different colors such as: Yellow, purple blue, gray, grayish black blue, brown red, green, sky blue.

Niobium is a shiny metal, extracted mainly from the mineral columbite, and considered of low hardness.

It is used in medical devices, such as pacemakers, as its metallic alloys are physiologically inert and hypoallergenic. For this reason, it is also used in jewelry making.

Brazil has most of the niobium available on the planet (about 94%) and is also responsible for a large part of the commercialization of this metal.

Tin is linked to the history of the development of different societies. Considered by many researchers as a heavy metal, and some of its compounds have a certain toxicity.

It is used in the manufacture of tinplate, solder, other metal alloys such as pewter, chemical products in general, manufacture of cell phone panels, computers and televisions.

Even though it is considered an element well distributed throughout the planet, it is one of the least abundant elements in the Earth's crust.

Aluminium ore has been known since antiquity, as its compounds were used for the most diverse purposes.

It is found in combined form in rocks and minerals, and is the most abundant metallic element in the Earth's crust. Used in domestic utensils, hygiene products, cosmetics and even in transportation. Corrosion resistant, good electrical conductor, non-magnetic and non-sparking.

We can infinitely recycle aluminum metal, regardless of its previous use or format.

Aluminum is the second most used element in the world, behind only iron.

Widely used in the form of metallic alloys. These metallic alloys are formed from the simple mixture of aluminum metal with other metals or non-metals.