Marble & Stones

Nero Portoro Marble


Nero Portoro is a black marble with gold veining throughout. It is a sedimentary rock.

Compression tensile strength 1862 kg/cm² Tensile strength after freeze-thaw cycles 1597 kg/cm² Unitary modulus of bending tensile strength 104 kg/cm² Heat expansion coefficient 0,0050 mm/m°C Water imbibition coefficient 0,007400 Impact strength 25 cm Frictional wear 2712 kg/m³

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  • Finishes Honed | Polished
  • Colour Black
  • Use Indoor, Outdoor
  • Origin Italy
  • Variation Pattern may vary, as every slab of natural marble is unique.
  • - Marble