2 Properties
2.2 Physical Properties
2.2.2 Hardness
2.4.2 Grain Size
Fine Grained
Medium to Fine Coarse Grained
2.4.3 Fracture
Uneven, Splintery or Conchoidal
Conchoidal
2.4.4 Streak
2.4.5 Porosity
Highly Porous
Less Porous
2.4.6 Luster
Waxy and Dull
Vitreous and Pearly
2.4.7 Compressive Strength
2.4.8 Cleavage
2.4.9 Toughness
2.4.10 Specific Gravity
2.4.11 Transparency
Translucent to Opaque
Transparent to Translucent
2.4.12 Density
2.7 g/cm32.8-2.9 g/cm3
0
1400
2.5 Thermal Properties
2.5.1 Specific Heat Capacity
0.74 kJ/Kg K0.92 kJ/Kg K
0.14
3.2
2.5.2 Resistance
Impact Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Pressure Resistant, Wear Resistant