Pearl granite is made of khara stones or granite, which has high resistance and quality and has a reasonable price compared to other stones. This stone is produced and extracted in the mines of Khorasan Razavi province (Mashhad) in the group of Shahriar stone mines.
Pearl granite is very similar to the white granite of Natanz, Nehbandan and Borujerd, and the texture of the fine grains of these stones has made it possible to recognize the difference between these stones.
Quartz, which is one of the constituent elements of Mashhad pearl granite, has caused the extraction of this stone to be more difficult than other stones.
Khara stone is created by the cooling of molten materials over a certain period of time, that is why these stones have high strength and are very easy to maintain.
Pearl granite of Mashhad has many uses in building. Pearl granite is so hard and strong that it is said to replace diamond in that it is highly scratch resistant.
The classification of stones based on the quality of stones includes first grade, premium grade and export stone.
Characteristics of pearl granite
Pearl granite has a white background and gray and black pigments and has excellent resistance to erosion. This stone is known as cotton flower. Some people call pearl granite stone shell stone. Pearl granite is known as a cheap stone in our country. Sometimes black and gray nodules have been seen on the surface of this stone, which made this stone out of uniformity. The most important feature of pearl granite is its high resistance to heat. Another important feature of pearl granite is the ability to cut and polish this stone.
Pearl granite in black, brown, pink, red, blue and green colors are produced in different mines.
Among the prominent features of pearl granite, the following can be mentioned:
Bright color is one of the most obvious features of pearl granite.
Uniformity in granulation in high grades is one of the distinctive features of this stone.
Pearl granite has a reasonable price compared to other stones.
Pearl granite is mass produced.
Advantages of pearl granite
High compressive and abrasion resistance
High sandability and polish
Disadvantages of pearl granite
Rusting when exposed to moisture
High water absorption
Black spots in weak varieties
Pearl granite applications
Factors affecting the price of pearl granite
The grade and uniformity of the stone is one of the important factors in the price of Mashhad pearl granite. Shall should not be seen on the surface of this stone.
The larger the size and thickness of the stone, the higher the price will be.
The more accurate the quality of stone processing and cutting, the higher the price.
This stone must be Gunya, which means that when buying, make sure that the size of both sides of the stone is the same. It is in this case that stonework is quality.
Available dimensions of pearl granite
Melal Stone Company can provide pearl granite stone in the form of slabs with dimensions 1/50, 1/60, 1/70, 1/80, 1/90, 2/60, 2/70, 2/80, 2/60, 2/70, 2/80,2. /90
and provide it in the form of tiles with dimensions of 40*60-40*80-40*100-40*120.
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