1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Coarse Grained
Fine to Medium Grained
1.1.3 Fracture
Conchoidal to Uneven
Conchoidal
1.1.4 Streak
Light to dark brown
Bluish Black
1.1.5 Porosity
Highly Porous
Less 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
4.3-5.0Not Available
0
8.4
1.1.11 Transparency
1.1.12 Density
2.2-2.35 g/cm3Not Available
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
1.2.2 Resistance
Heat Resistant, Impact Resistant
Heat Resistant, Pressure Resistant, Wear Resistant