1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Medium to Fine Coarse Grained
Very fine-grained
1.1.3 Fracture
Conchoidal
Uneven, Splintery or Conchoidal
1.1.4 Streak
1.1.5 Porosity
Less Porous
Highly Porous
1.1.6 Luster
1.1.7 Compressive Strength
1.1.8 Cleavage
Non-Existent
Non-Existent
1.1.9 Toughness
1.1.10 Specific Gravity
1.1.11 Transparency
Opaque
Translucent to Opaque
1.1.12 Density
1.25-2.5 g/cm32.7 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
1.32 kJ/Kg K0.74 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Heat Resistant, Water Resistant
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant