Portoro is a high-quality black marble. The vast crystalline black of its base is furrowed by a spectacular burst of golden veins and white effervescences. La dolce vita, glamour, exclusivity and good taste are the defining concepts of this natural stone, considered the most expensive black marble in the world.What is Nero portoro?
What is Nero Portoro? The finest black marble in the world What is Nero Portoro marble? The Nero Portoro marble quarry is based in Portovenere which is an island in La Spezia province, Liguria Region, northern Italy.Where is Nero portoro marble quarry located?
The Nero Portoro marble quarry is based in Portovenere which is an island in La Spezia province, Liguria Region, northern Italy.What is the colour of black marble?
This precious Italian stone consists an intense and bright black colour with gold veins running through it that range from intense yellow to honey colour. The peculiarity of its appearance makes it a unique marble, irreplaceable as an ornamental stone.