1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Large and Coarse Grained
Very fine-grained
1.1.3 Fracture
Uneven, Splintery or Conchoidal
Uneven
1.1.4 Streak
White
Light to dark brown
1.1.5 Porosity
Highly Porous
Less 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
Translucent to Opaque
Transparent to Translucent
1.1.12 Density
Not Available2.7-2.9 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