1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Large and Coarse Grained
Medium to Fine Coarse Grained
1.1.3 Fracture
Uneven, Splintery or Conchoidal
Conchoidal
1.1.4 Streak
1.1.5 Porosity
Highly Porous
Less Porous
1.1.6 Luster
Earthy
Subvitreous to Dull
1.1.7 Compressive Strength
1.1.8 Cleavage
1.1.9 Toughness
1.1.10 Specific Gravity
1.1.11 Transparency
Translucent to Opaque
Translucent
1.1.12 Density
Not Available2.8-2.9 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
3.20 kJ/Kg K0.92 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Pressure Resistant