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
Dull to Grainy with Sporadic parts Pearly and Vitreous
1.1.7 Compressive Strength
51.20 N/mm2175.00 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 K0.79 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Impact Resistant, Pressure Resistant
Heat Resistant, Wear Resistant