1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Fine to Medium Grained
Very fine-grained
1.1.3 Fracture
1.1.4 Streak
Bluish Black
Light to dark brown
1.1.5 Porosity
1.1.6 Luster
Grainy, Pearly and Vitreous
Dull
1.1.7 Compressive Strength
1.1.8 Cleavage
1.1.9 Toughness
1.1.10 Specific Gravity
Not Available2.65-2.8
0
8.4
1.1.11 Transparency
1.1.12 Density
Not Available2.6-2.8 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
1.2.2 Resistance
Heat Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant