Technical Specifications
Hardness 5.2 Mohs
Unite Volume Weight 2.71 gr/cm
Unite Volume Density 2.74 gr/cm
Water Absorption at Atm. Pressure
   by volume 0.09 %
   by weight 0.11 %
Water Absorption at Boiling Water
   by volume 0.09 %
   by weight 0.11 %
Porosity 0.0 %
Compressive Strength 1869.5 Kgf/cm
Compressive Strength
after freezing
1869.5 Kgf/cm
Strength to Blow 0.0 Kgf/cm
Strength to  Bending 300.7 Kgf/cm
Modules of Elasticity 5.15 Kgf/cm
Ratio of Fullness 100 %
Degree of Pores 0.0 %
Average Abration Strength 30.4 cm/50cm
Average Tensile Strength 68 Kgf/cm
SiO2 28.35 %
FeO3 9.70 %
MgO 26.25 %