Properties
Physical Properties
Hardness
4-67
1
7
👆🏻
Grain Size
Fine Grained
Very fine-grained
Fracture
Uneven
Uneven
Streak
White
White
Porosity
Highly Porous
Less Porous
Luster
Vitreous to Dull
Vitreous
Compressive Strength
243.80 N/mm2200.00 N/mm2
0.15
450
👆🏻
Cleavage
-
-
Toughness
-
1.1
Specific Gravity
2.732.5-2.8
0
8.4
👆🏻
Transparency
Opaque
Opaque
Density
1-1.8 g/cm32.11-2.36 g/cm3
0
1400
👆🏻
Thermal Properties
Specific Heat Capacity
0.20 kJ/Kg K2.39 kJ/Kg K
0.14
3.2
👆🏻
Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant