Sandstone
 

 Color
 Water Absorption
 Hardness
Lies between 6 to 7 on Moh's Scale Density 2.32 to 2.42 Kg/m3
 Porosity
 Compressive  Strength


 SiO2
 Iron (Fe2O3)
 Alumina (Al2O3)
1.4 to 1.5%

 Soda (Na2O) &  Potash (Kro)
1.0% to 1.2%
 Lime (CaO)