Bauxite & Alumina
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Bauxite & Alumina

MGT Mineral Company as a major producer, supplier and exporter of several minerals and materials in the Middle East, is located in Iran. MGT Mineral Company has a lot of experience in exporting and is active in case of Bauxite supplying, due to we are honored to have a great Bauxite mine with enormous reserve of high quality Bauxite.   

Aluminum is a light weight, high strength and recyclable structural metal. It plays an important role in social progress and has a pivotal contribution in transportation, food and beverage packaging, infrastructure, building and construction, electronics and electrification, aerospace and defense. It is the third abundant element in the earth‘s crust and is not found in the free state but in combined form with other compounds.

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The commercially mined Aluminium ore is bauxite, as it has the highest content of alumina with minerals like silica, iron oxide, and other impurities in minor or trace amount. The primary Aluminium production process consists of three stages: Mining of bauxite, followed by refining of bauxite to alumina by the Bayer process and finally smelting of alumina to Aluminium.

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Iran is the biggest Aluminium producer and supplier in the Middle East and has a great potentiality for exporting. It is MGT Mineral Company’s honor to provide all necessary conditions for exporting Aluminium to all around the world.

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Physical Properties of Orthoclase
Chemical Formula -
Cleavage none
System -
Color white, gray, sometimes stained yellow, orange red, pink, brown or yellow by iron or included iron minerals
Density 2-2.5 g/cm3
Diaphaneity (Transparency) opaque
Fracture -
Tenacity -
Habit -
Hardness (Mohs) 1-3
Luminescence -
Luster dull, earthy
Streak usually white but iron stain can discolor
Magnetism Nonmagnetic

Bauxite Occurrence

Commercial concentrations of bauxite can occur as four deposit types.

  • Blanket deposits that occur at or near the surface as horizontal or undulating sheets or groups of lenses. They tend to be Tertiary or younger, and can be hundreds of kilometres long. They are typically 5 m to 7 m thick. Examples are common in tropical or sub-tropical regions of Australia, South America, West Africa and India.

  • Interlayered deposits that are essentially buried surface deposits. Layers or lenses of bauxite lie between sedimentary or volcanic rocks. The bauxite is usually compacted and may be folded and faulted. Examples of this type are found in Guyana, Surinam, southern Europe, Russia and China.

  • Pocket deposits (karst depressions) contain bauxite typically in irregular masses enclosed within limestone, clay or igneous rocks. They may also occur with gradational margins of kaolin or bauxitic aluminium-rich clay. Jamaica contains classical examples of this type of deposit.

  • Detrital deposits, such asthose in Arkansas (USA), are derived from one or more of the types of deposit described above.

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Bauxite, Alumina & Aluminium Usages:


Globally, the most of mined Bauxite is converted to Alumina for Aluminium metal production. A minor proportion goes to non-metal uses in various forms of specialty Alumina while the remainder is used for non-metallurgical Bauxite applications.


  • The majority of Aluminium oxide is consumed for production of Aluminium, often by the Hall–Heroult process.
  • Filler: Due to chemically inertness and whiteness of Aluminium oxide, it is a favored filler for plastics. Aluminium oxide is a usual ingredient in sunscreen and also in cosmetics such as lipstick, blush, and nail polish.
  • Aluminium oxide serves catalyst support for several industrial catalysts, such as those used in hydro-desulfurization and some Ziegler-Natta polymerizations.
  • Purification: Aluminium oxide is vastly used to eliminate water from gas streams. 
  • Paint: Aluminium oxide flakes are used in paint for reflective decorative effects, such as in cosmetic or automotive industries.
  • Composite fiber: Aluminium oxide has been deployed in a few commercial and experimental fiber materials for high-performance applications. 


Aluminium is an important product for manufacturing because of its light weight, durability and strength as well as its capacity to be recycled. 

  • In transport, Aluminium is used in cars (cylinder heads, transmission housings, engine blocks and body panels), buses and trucks (plate and sheet for bodies), in railway stock and in aircraft.
  • In construction, Aluminium is used in sheet products for roof, windows and doors, and also in castings for builders' hardware.
  • In packaging, Aluminium is used in the form of alloy sheet which is appropriate for beverage can bodies, as foil for commercial wrap and household, and in manufactured packaging products such as cartons for fruit juice and packaging for pharmaceuticals.
  • In the electrical sector, reinforced Aluminium with steel is used as wire in cables.

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