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
White, Greenish White or Grey
White
1.1.5 Porosity
1.1.6 Luster
Subvitreous to Dull
Vitreous and Pearly
1.1.7 Compressive Strength
189.00 N/mm2140.00 N/mm2
0.15
450
1.1.8 Cleavage
1.1.9 Toughness
1.1.10 Specific Gravity
1.1.11 Transparency
Opaque
Transparent to Translucent
1.1.12 Density
1.5-2.5 g/cm32.8-2.9 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
0.88 kJ/Kg K0.92 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Heat Resistant
Heat Resistant, Pressure Resistant, Wear Resistant