1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Very fine-grained
Very fine-grained
1.1.3 Fracture
Not Available
Uneven, Splintery or Conchoidal
1.1.4 Streak
1.1.5 Porosity
Less Porous
Highly Porous
1.1.6 Luster
Dull to Pearly to Subvitreous
Waxy and Dull
1.1.7 Compressive Strength
130.00 N/mm2450.00 N/mm2
0.15
450
1.1.8 Cleavage
Not Available
Non-Existent
1.1.9 Toughness
1.1.10 Specific Gravity
1.1.11 Transparency
Opaque
Translucent to Opaque
1.1.12 Density
2.6 g/cm32.7 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
0.79 kJ/Kg K0.74 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Heat Resistant, Wear Resistant
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant