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
White, Greenish White or Grey
1.1.5 Porosity
Less Porous
Highly Porous
1.1.6 Luster
Subvitreous to Dull
Earthy
1.1.7 Compressive Strength
225.00 N/mm251.20 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/cm30.25-0.3 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
0.92 kJ/Kg K0.87 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Heat Resistant, Pressure Resistant
Impact Resistant, Pressure Resistant