Avorio
Siena Marble is a medium-grained dark yellow metamorphic lithotype that is heterogeneous due to the presence of light yellow-reddish-coloured patches, fractures and slender veins that are sub parallel and stilolitic in places.

Data sheet

Ultimate tensile strenght [UTS] to pressure
kg/cm2
89,4
Ultimate tensile strenght [UTS] after freezing cycles
kg/cm2
2110
Ultimate tensile strenght [UTS] to bending stress
kg/cm2
20,1
Thermic linear dilatation
mm/m°C
16
Water absorption coefficient
%
0,12
Impact strenght
cm
0,3
Abrasion strenght
mm
43
Weight per unit volume
KG/m3
2710