1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Very fine-grained
Coarse Grained
1.1.3 Fracture
Splintery
Conchoidal to Uneven
1.1.4 Streak
Light to dark brown
Light to dark brown
1.1.5 Porosity
Less Porous
Highly Porous
1.1.6 Luster
Dull
Grainy, Pearly and Vitreous
1.1.7 Compressive Strength
1.1.8 Cleavage
1.1.9 Toughness
1.1.10 Specific Gravity
1.1.11 Transparency
1.1.12 Density
2.6-2.8 g/cm32.2-2.35 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
0.76 kJ/Kg K0.75 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Impact Resistant