1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Fine to Medium 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
Less Porous
Highly Porous
1.1.6 Luster
Grainy, Pearly and Vitreous
Grainy, Pearly and Vitreous
1.1.7 Compressive Strength
1.1.8 Cleavage
Not Available
Not Available
1.1.9 Toughness
Not Available
Not Available
1.1.10 Specific Gravity
Not Available4.3-5.0
0
8.4
1.1.11 Transparency
1.1.12 Density
Not Available2.2-2.35 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