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07 Jun 11:53

The most important regions of precious stones in the Middle East are Isfahan, Khorasan, Kurdistan, Hamedan, Qom, Semnan, and Kerman provinces

07 Jun 11:53

Precious stones have a tremendous impact on the country's economy and have been so important to the people in the past that people had certain beliefs about them and the supernatural powers of these stones

07 Jun 11:53

Precious stones and minerals have long been of special importance among the various ethnic groups of human society

07 Jun 11:53

The beauty of these minerals was so important that the ancient people believed in supernatural powers such as the secret of eternal youth, healing spells, fortune

07 Jun 11:53

Today, although these beliefs are rejected, it must be admitted that the industry of extraction and processing of precious stones and pieces of jewelry has become the healing factor of the economy of many countries and has a significant share of world trade

07 Jun 11:53

The larger the size of the turquoise stone and the smoother its surface, the higher its price

07 Jun 11:53

The name of this stone is derived from the French word “Turquoise” meaning Turkish stone

07 Jun 11:53

The smoother and larger the turquoise, the more valuable it is

07 Jun 11:53

The color of these gemstones also changes from blue-green to pale yellow

07 Jun 11:49

Suitable and Unsuitable Uses of Sandstone

It can be used in paving outdoor spaces and facades and interior and exterior walls of buildings

07 Jun 11:48

What is Ammonia?

Ammonia, directly or indirectly, is one of ingredients in many pharmaceutical products and is used in many commercial cleaning products

07 Jun 11:48

Applications of Ammonia

Ammonia is used in the preparation of chemical fertilizers, ice making, nitric acid, other nitrogenous compounds, explosives and food storage

07 Jun 11:48

History of Ammonia

Ammonia is one of the largest synthetic products first obtained by Priestley in 1773 from heating chlorine and ammonium with lime

07 Jun 11:48

Ammonia production in the Middle East

The Middle East is one of the most important ammonia production hubs in the world due to its reasonable gas price and also benefiting from its strategic position

07 Jun 11:48

What is chlorine?

Chlorine is a greenish-yellow gas and one of the most widely used halogens, its most important properties are high oxidizing power

07 Jun 11:48

Applications of chlorine

Chlorine is an important chemical element in water treatment, germicide, pesticides, disinfectants in bleach and mustard gas

07 Jun 11:48

Solid Liquid and Gas Chlorine

Chlorine is available in the Middle East market in three forms: solid, liquid and gas

07 Jun 11:48

Chlorine production in the Middle East

Chlorine is produced by electrolysis of brine containing sodium chloride

07 Jun 11:48

Chlorine prices in the Middle East

The price of chlorine is very reasonable and cheap

07 Jun 11:48

What is Ethylene?

Ethylene can be used in the industries of polymerization, synthetic fibers, softening, solvents, antifreeze and alcohol

07 Jun 11:48

History of Ethylene

The first synthesis of ethylene gas compounds (dichlor and ethane) was performed in 1795 by a Dutch chemist

07 Jun 11:48

Applications of Ethylene

Ethylene is widely used in the plastics industry

07 Jun 11:48

Ethylene production in the Middle East

Total production of 22% of the world's ethylene is carried out in the Middle East

07 Jun 11:48

What is Nitrogen?

Nitrogen is the most abundant element in the Earth's atmosphere in terms of volume and is obtained for industrial purposes by distilling liquid air

07 Jun 11:48

When and where was nitrogen discovered?

Medieval chemists performed several experiments with nitrogen compounds

07 Jun 11:48

In what cases is nitrogen used?

The most important economic use of nitrogen is to make ammonia through the Haber process

07 Jun 11:48

How is the market status of the nitrogen in the Middle East?

Nitrogen production in the Middle East is done with the valid certificates of international companies

07 Jun 11:48

What is Oxygen Gas?

The element oxygen can be introduced as the most abundant element in the Earth's crust

07 Jun 11:48

What are the uses of oxygen gas?

Oxygen is used in the production of steel, plastics, fabrics, steel oxygen cutting, rocket propulsion, oxygen therapy

07 Jun 11:44

Turquoise is found in Arizona, New Mexico, USA, Australia, Afghanistan, and Iran (Neishabour and Damghan); Neishabour Ajami and Shajari turquoise are very famous not only in the country but also in the world due to its excellent quality; Ajami turquoise is round and coarse and its pure color (garlic blue) is used as the most expensive type of turquoise to make a ring