1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.3.7 Grain Size
Coarse or Fine
Very fine-grained
1.3.8 Fracture
Splintery
Uneven, Splintery or Conchoidal
1.3.9 Streak
1.3.10 Porosity
Highly Porous
Highly Porous
1.3.11 Luster
1.3.12 Compressive Strength
95.00 N/mm2450.00 N/mm2
0.15
450
1.3.13 Cleavage
1.3.14 Toughness
1.3.15 Specific Gravity
1.3.16 Transparency
Opaque
Translucent to Opaque
1.3.17 Density
2.2-2.8 g/cm32.7 g/cm3
0
1400
1.4 Thermal Properties
1.4.1 Specific Heat Capacity
0.92 kJ/Kg K0.74 kJ/Kg K
0.14
3.2
1.4.2 Resistance
Heat Resistant, Impact Resistant, Pressure Resistant
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant