1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Medium to Fine Coarse Grained
Large and Coarse Grained
1.1.3 Fracture
1.1.4 Streak
1.1.5 Porosity
Highly Porous
Less Porous
1.1.6 Luster
Dull to Vitreous to Submetallic
Dull to Grainy with Sporadic parts Pearly and Vitreous
1.1.7 Compressive Strength
1.1.8 Cleavage
Non-Existent
Not Available
1.1.9 Toughness
Not Available
Not Available
1.1.10 Specific Gravity
1.1.11 Transparency
1.1.12 Density
800-801 g/cm32.6-2.8 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
1.26 kJ/Kg K0.79 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Heat Resistant
Heat Resistant, Wear Resistant