1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Medium to Fine Coarse Grained
Coarse Grained
1.1.3 Fracture
Conchoidal
Conchoidal to Uneven
1.1.4 Streak
Bluish Black
Light to dark brown
1.1.5 Porosity
Very Less Porous
Highly Porous
1.1.6 Luster
Subvitreous to Dull
Grainy, Pearly and Vitreous
1.1.7 Compressive Strength
1.1.8 Cleavage
Not Available
Not Available
1.1.9 Toughness
1.1.10 Specific Gravity
1.1.11 Transparency
1.1.12 Density
2.73 g/cm32.2-2.35 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
0.92 kJ/Kg K0.75 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Heat Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Impact Resistant