- Color: Black – gold
- Name of the stone, given by EN 12407: Marble
- Detailed Description: The main characteristic of the Potoro marble, together with its gold veins, is the color of the background that must be as dark as possible, till it reaches the squid ink. This characteristic is typical of our marble and it changes the perception of the marble when it is polished. The Portoro marble has been used for centuries in prestigious processings and luxury coverings. We find Portoro marble in the most beautiful italian historic buildings.