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
Highly Porous
Less Porous
1.1.6 Luster
Earthy
Subvitreous to Dull
1.1.7 Compressive Strength
51.20 N/mm2150.00 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
0.25-0.3 g/cm32.6-2.8 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
0.87 kJ/Kg K0.92 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Impact Resistant, Pressure Resistant
Heat Resistant, Impact Resistant, Wear Resistant