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.