Royal stone in the market of buying and selling stones is known in the name of Royal khoy marble stone. Royal stone in one of stone mines of west Azerbaijan province, khoy county is exploited. This stone has bright cream color spectrum with another veins that it’s lower quality levels have green background and more veins. Since Royal stone has a high density has acceptable polishing capability. This stone is produced in tile, slab and longitudinal dimensions. According to high endurance of this stone, it can be used for the paving of places that have a lot of traffic like: building lobby, staircase and internal walls of building.