Granite is one of the most common slate stones. But Iran is well known for its Travertine, Marble and specially Onyx. Nowadays, valuable granite sources with great quality in red, black, dark green, light green, white and in pink colors with small and big black dots are exploited. At present, there are 98 Granite mines in Iran, which 66 of them under A-S-IR
Iranian Marble ,because of its widespread sources, variety of colors and the consisting materials, is superior to other slate stones. Some stones like Dehbid cream stone is unique in the world, because of its hardness, capacity, variety, beauty and colours. This stone is expensive and luxurious in all over the world. At present, there are 151 active Marble mines in Iran that 40 of them work for the A-S-IR.
It is estimated that the total amount of Marble in Iran is more than 2/165 million tons. This shows that Marble mines have extraordinary potential for investment and expansion in Iran
Travertine is a type of porous malm stone with chemical origin, The sources of this stone is 450 million tons that some of them are unique because of quality, color and various designs such as AzarShahr Many customers use Travertine in Iran and American markets. This stone is recognized as an expensive and luxurious stone by its fans. Iran is the only producer in the world. Mahllat's white Travertine which has a source of 5/12 million tons, is one of the best slates to export . At present, there are 52 active Travertine mines in Iran, which 24 of them under the obligation of A-S-IR
Limestone is a calcareous sedimentary rock, formed at the bottom of lakes and seas with the accumulation of shells, bones and other calcium rich goods . It is composed of calcite (CaCO3).
The rock which contains more than 95% of calcium carbonate is known as high-calcium limestone. Recrystallised limestone takes good polish and is usually used as decorative and building stone.
Limestone that will take a polish, is considered as marbles by most people, but technically, if there are still shells visible or the structure is not crystalline, it is still a limestone
This stone is made of glassy lime carbonate and generally is seen in crystal layers with yellow, brown and green shadows. The existence of rich sources of this stone is seen in Iran with variety of colors in green, yellow, gray, honey and white. The amount of these stones in Iran is estimated more than 44 million tons. At present, there are 25 active Onyx mines in Iran, which 11 of them under A-S-IR.
The quality of Crystal stone of Iran and chip prices made it very compatible in the International market. At present, there are 51 active Crystal mines in Iran, which 6 of them are under the obligation of A-S-IR