1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Fine to Medium Grained
Medium Grained
1.1.3 Fracture
Conchoidal
Uneven, Splintery or Conchoidal
1.1.4 Streak
1.1.5 Porosity
1.1.6 Luster
Subvitreous to Dull
Vitreous
1.1.7 Compressive Strength
200.00 N/mm2115.00 N/mm2
0.15
450
1.1.8 Cleavage
1.1.9 Toughness
1.1.10 Specific Gravity
1.1.11 Transparency
Opaque
Transparent to Translucent
1.1.12 Density
2.8-2.9 g/cm32.32-2.42 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
0.92 kJ/Kg K0.75 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Heat Resistant
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant