Pietra gray marble
Pietra gray marble mines are located near Isfahan about 35 km from the city center. This zone has 132 pietra gray marble mines in which 23 pietra gray marble mines are actively extracting this type of stone.
Pietra gray marble is a black stone with white flecks that have given a special and eye-catching beauty to this stone. One special point about pietra gray marble is that it is impermeable to water and of course low percentage of humidity absorption, which has made it very much suitable for floors and walls in different structures.
Pierta gray chemical analysis:
This analysis approves the strength and resistance against pressure and erosion. Pietra gray marbles’ color ranges from light gray to dark gray depending on the mine it is extracted from.
Block
Pietra gray marble block has three categories:
- Super pietra gray marble block which is known as grade A
- Special pietra gray marble block which is known as grade B
- Domestic pietra gray marble block which is known as grade C
The difference among these three types of pietra gray marble blocks is because of dimension and length for producing pietra gray marble slab
Generally quality and analysis of pietra gray marble are the same in different grades and the only difference is the dimensions of the block
Slab
Pietra gray marble slab is really beautiful which gives a combination of art and nature to buildings and structures. Pietra gray marble slab is produced in 2 or 3 centimeters thickness and is used in buildings in various positions.
For instance using pietra gray marble slab in floors creates a harmonic and eye-catching view or by using pietra gray marble slab in book-match form it is possible to make lovely designs and forms known as natural paintings. These pietra gray marble slabs are used in lobbies and hotel receptions.
Tile
Pietra gray marble tile is used in buildings in different sizes such as 30*30, 30*60, 60*60 and 30*free. Pietra gray marble tile has three categories based on the way it is rubbed:
- Polished
- Bush Hammered
- Honed
