1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Coarse Grained
Medium to Fine Coarse Grained
1.1.3 Fracture
Conchoidal to Uneven
Conchoidal
1.1.4 Streak
Light to dark brown
Black
1.1.5 Porosity
Highly Porous
Less Porous
1.1.6 Luster
Grainy, Pearly and Vitreous
Dull to Vitreous to Submetallic
1.1.7 Compressive Strength
1.1.8 Cleavage
Not Available
Non-Existent
1.1.9 Toughness
Not Available
Not Available
1.1.10 Specific Gravity
1.1.11 Transparency
1.1.12 Density
2.2-2.35 g/cm31100-1400 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
0.75 kJ/Kg K1.32 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Heat Resistant, Impact Resistant
Heat Resistant