| Marble Workshop gives high bonus to the trade in region and also increase the happiness due the masterpieces made of it. Marble is one of the most beautiful stones, with a highly marble polish tile smooth face and a wide variety of colors. These various colors are due to impurities, such as iron or carbon, getting caught in the marbles structure during formation. They often appear in stripes, which make the marble, especially when cut, very beautiful. It's these properties that make marble suited to some of the more delicate arts. It can be crafted into beautiful home furnishings, and it has been the material used in many of the worlds most beautiful sculptures. It is one of the most beautiful, elegant, historically prevalent stones that can be used.