Technical Specifications

Hardness

4

Mohs

Unite Volume Weight

2.65

gr/cm

Unite Volume Density

2.69

gr/cm

Water Absorption at Atm. Pressure

   by volume

0.2

%

   by weight

0.5

%

Water Absorption at Boiling Water

   by volume

0.3

%

   by weight

0.7

%

Porosity

0.5

%

Compressive Strength

1591

Kgf/cm

Compressive Strength
after freezing

1540

Kgf/cm

Strength to Blow

3

Kgf/cm

Strength to  Bending

132

Kgf/cm

Modules of Elasticity

10.65

Kgf/cm

Ratio of Fullness

98.9

%

Degree of Pores

1.1

%

Average Abration Strength

18.8

cm/50cm

Average Tensile Strength

6.1

Kgf/cm

SiO2

0.38

%

FeO3

0.06

%

MgO

0.36

%