1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Fine Grained
Medium to Fine Coarse Grained
1.1.3 Fracture
1.1.4 Streak
White, Greenish White or Grey
Black
1.1.5 Porosity
1.1.6 Luster
Subvitreous to Dull
Dull to Vitreous to Submetallic
1.1.7 Compressive Strength
1.1.8 Cleavage
1.1.9 Toughness
1.1.10 Specific Gravity
1.1.11 Transparency
1.1.12 Density
1.5-2.5 g/cm31100-1400 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
0.88 kJ/Kg K1.32 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Heat Resistant
Heat Resistant