1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Medium to Fine Coarse Grained
Fine Grained
1.1.3 Fracture
1.1.4 Streak
White
Light to dark brown
1.1.5 Porosity
1.1.6 Luster
Subvitreous to Dull
Earthy
1.1.7 Compressive Strength
225.00 N/mm237.40 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
2.8-2.9 g/cm32.9-3.1 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
0.92 kJ/Kg K0.84 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Heat Resistant, Pressure Resistant
Heat Resistant, Pressure Resistant, Wear Resistant