1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Medium Grained
Medium to Fine Coarse Grained
1.1.3 Fracture
1.1.4 Streak
1.1.5 Porosity
1.1.6 Luster
Dull to Pearly to Subvitreous
Vitreous and Pearly
1.1.7 Compressive Strength
115.00 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
2.4-2.7 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