Portoro
Portoro is a fine stone with a deep black background and golden veins, quarried in the La Spezia area, particularly in Portovenere. This marble, known for its unique and elegant character, is ideal for luxury cladding and modern, decorative furnishings. It is used to make fireplaces, columns, sculptures and exclusive tops, enhancing any room with its refined beauty and timeless appeal.
Product description
Portoro is a natural material of rare beauty, prized for its ability to add a touch of luxury to any space. Characterized by unique color contrasts, it harmoniously combines the depth of black with bold golden veins, creating attention-grabbing surfaces. Thanks to its particular strength and versatility, it is chosen for exclusive projects in architecture and design, in both classic and contemporary settings, offering timeless elegance.
Data sheet
| Country of origin | Italia |
| Availability | Limitata |
| Compressive tensile strength | 1862 kg/cm2 |
| Compressive tensile strength after freezing cycles | 1597 kg/cm2 |
| Unit bending tensile strength | 104 kg/cm2 |
| Coefficient of linear thermal expansion | 0,0050 mm/m°C |
| Water imbibition coefficient | 0,74% |
| Impact resistance, minimum drop height | 25 cm |
| Frictional wear | – |
| Weight per unit volume | 2712 kg/m3 |
Related materials
Portoro is a natural material of rare beauty, prized for its ability to add a touch of luxury to any space. Characterized by unique color contrasts, it harmoniously combines the depth of black with bold golden veins, creating attention-grabbing surfaces. Thanks to its particular strength and versatility, it is chosen for exclusive projects in architecture and design, in both classic and contemporary settings, offering timeless elegance.
Data sheet
| Country of origin | Italia |
| Availability | Limitata |
| Compressive tensile strength | 1862 kg/cm2 |
| Compressive tensile strength after freezing cycles | 1597 kg/cm2 |
| Unit bending tensile strength | 104 kg/cm2 |
| Coefficient of linear thermal expansion | 0,0050 mm/m°C |
| Water imbibition coefficient | 0,74% |
| Impact resistance, minimum drop height | 25 cm |
| Frictional wear | – |
| Weight per unit volume | 2712 kg/m3 |
