1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Very fine-grained
Medium to Fine Coarse Grained
1.1.3 Fracture
1.1.4 Streak
White, Greenish White or Grey
Bluish Black
1.1.5 Porosity
Less Porous
Very Less Porous
1.1.6 Luster
Waxy and Dull
Subvitreous to Dull
1.1.7 Compressive Strength
310.00 N/mm290.00 N/mm2
0.15
450
1.1.8 Cleavage
Irregular
Crenulation and Pervasive
1.1.9 Toughness
1.1.10 Specific Gravity
1.1.11 Transparency
1.1.12 Density
2.5-3 g/cm32.8-2.9 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
0.95 kJ/Kg K0.92 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Heat Resistant, Water Resistant
Heat Resistant, Impact Resistant