Pietra Gray marble is a natural finishing stone from Iran. It has a noble anthracite gray or rich chocolate brown color with white intermittent strokes of quartz veins.Black marble occupies a special place in the market, as its beauty amazes the imagination of any buyer. However, Pietra Gray marble is a product of Mother Nature. Its unusual composition increases the relevance of the material, expanding the circle of its admirers. This is a black background decorated with light veins and lines. Its use is possible for various purposes. The beauty of the material makes it suitable for any environment.