Cinza Sal Granite is a thin grain mostly homogeneous grey with black to dark brown grains intrusive igneous rock.
PHYSICAL-MECHANICAL CHARACTERISTICS
- Mechanical resistance to compression - 2534 kg/cm2 
- Mechanical resistance to compression after freezing test - 2408 kg/cm2 
- Mechanical resistance to bending - 219 kg/cm2
- Apparent density - 2661 kg/m3 
- Water absorption to P.At.N. - 0.29 % 
- Open porosity - 0.78 % 
- Linear thermal coefficient of expansion - 8.8 x10-6 / oC 
- Abrasion resistance - 0.4 mm 
- Shock resistance: minimum height of fall - 65-70 cm
CHEMICAL ANALYSIS
SiO2-------------------------------------------------------------- 69.18 %
Al2O3------------------------------------------------------------ 15.57 %
Fe2O3 (total)---------------------------------------------------- 2.83 %
MnO-------------------------------------------------------------- 0.04 %
CaO-------------------------------------------------------------- 2.05 %
MgO-------------------------------------------------------------- 0.83 %
Na2O------------------------------------------------------------- 3.87 %
K2O-------------------------------------------------------------- 0.21 %
TiO2------------------------------------------------------------- 0.19 %
P2O5------------------------------------------------------------ 0.19 %
H2O+------------------------------------------------------------ 0.88 %
H2O-  ----------------------------------------------------------- 0.19 %