Favaco - Polished

Favaco - Polished

Macroscopic description

Dark grey quartz diorite, hornblendic and biotitic, fine to medium grain. 

Petrographic description

Rock with granular hypidiomorphic texture. 







Physico-mechanical properties

Compression breaking load 1262 Kg/cm2
Compression breaking load after freezing test 964 Kg/cm2
Bending strength 224  Kg/cm2
Volumetric weight 2851 Kg/m3
Water absorption at N.P. conditions 0.1  %
Apparent porosity  0.60  %
Thermal linear expansion coefficient  6.7  X10-6 perºc
Abrasion test  0.5  mm
Impact test 70   cm