1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Very fine-grained
Fine Grained
1.1.3 Fracture
Splintery
Uneven, Splintery or Conchoidal
1.1.4 Streak
Light to dark brown
White
1.1.5 Porosity
Less Porous
Highly Porous
1.1.6 Luster
1.1.7 Compressive Strength
1.1.8 Cleavage
1.1.9 Toughness
1.1.10 Specific Gravity
1.1.11 Transparency
Opaque
Translucent to Opaque
1.1.12 Density
2.6-2.8 g/cm32.7 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
0.76 kJ/Kg K0.74 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant