The price of black marble
Masonry grading in Iran has no specific standard and manufacturers and suppliers of masonry have their own definition of grading.
Flooring Black marble
Ocean marble - New black marbld
Black grading is exported, exported, premium, and top grade. The export stone is the Super Stone which is ready to be exported for packaging and after customs formalities. And the premium grade is graded in terms of stone color and stone quality, but the quality of production, whether cut or sub, makes no difference between the grades of the stone.
The price of black marble depend on Parameters
Parameters determining the degree and quality of rock are:
1- Type of stone
2- No impurity and caries in the stone
3- Precise sort and minimal color match
4- Diameter of stone
5- The dimension of stone6- Sub-rock
7- The stone is not full lips
8- Type of material used in the manufacturing process (resin, epoxy, UV, mesh back, sub-mesh)
9- How to transport and send stones