1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Fine Grained
Medium to Fine Coarse Grained
1.1.3 Fracture
1.1.4 Streak
Light to dark brown
White
1.1.5 Porosity
1.1.6 Luster
Earthy
Subvitreous to Dull
1.1.7 Compressive Strength
37.40 N/mm2310.00 N/mm2
0.15
450
1.1.8 Cleavage
1.1.9 Toughness
1.1.10 Specific Gravity
1.1.11 Transparency
1.1.12 Density
2.9-3.1 g/cm32.9-2.91 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
0.84 kJ/Kg K0.92 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Heat Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Impact Resistant, Pressure Resistant