Mar-Pierre - Marbles, Granites and Natural Stones
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Portoro (1)


Portoro marble is quarried in Liguria, in the province of La Spezia.

Black background and horizontal yellow-gold veins make this marble unique and special, mainly used for interior decoration.

Color: black

Technical Sheet

Source Location
Compression breaking load
988 Kg/cm²
Compression breaking load after freezing
Ultimate textile strenght
122 Kg/cm²
Thermal linear expansion coefficient
0,0041 mm/m °C
Water absorption
0,13 %
Impact test: min fall height
27 cm
Frictional wear test
Bulk density
2689 Kg/m³
Elasticity module
Carrara Marble Block
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