The mine of this stone is abundant in Iran. East Azarbaijan, Khorasan, Kerman, Kurdistan and Mahallat provinces have the most onyx mines.
Building stone Tra-onyx It is a combination of travertine stone and onyx stone. The porosity of the stone is Tra-onyx similar to travertine, but its structure is layered like agate.
Granite is one of the strongest and hardest stones in the world. The cost of extracting and producing this stone is much higher than limestone. The longevity and durability of this stone has made it widely used in urban architecture. Granite is the best igneous rock.
Many people consider marble and onyx to be the same, but these two stones are completely different in appearance and functionality. The compressive strength of marble is higher than travertine and lower than granite. Marble is considered a valuable and effective stone due to its beauty, strength and resistance to fire.
The compressive strength of travertine stones is higher than onyx and lower than granite. The specific weight of this stone is less than other stones, so it adds less load to the building skeleton.
In Iran, the number of travertine mines is much more than onyx mines. Most onyx mines in Iran are located in Central Province, Khorasan Province, Kurdistan Province, Azerbaijan Province and Kerman Province, and most travertine mines in Iran are located in Central Province, Azerbaijan Province and Isfahan Province.
In Iran, the number of granite mines is much more than travertine mines. Most of Iran's granite mines are located in Azarbaijan, Zanjan, Isfahan and Khorasan provinces, and most of Iran's travertine mines are located in Central, Azarbaijan and Isfahan provinces.
In Iran, the number of marble mines is much more than travertine mines. Most of Iran's marble mines are located in Lorestan Province, Central Province, Yazd Province, and Khorasan Province, and most of Iran's travertine mines are located in Central Province, Azerbaijan Province, and Isfahan Province.