1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Medium to Fine Coarse Grained
Fine Grained
1.1.3 Fracture
Uneven
Conchoidal to Uneven
1.1.4 Streak
Bluish Black
White, Greenish White or Grey
1.1.5 Porosity
Very Less Porous
Highly Porous
1.1.6 Luster
Subvitreous to Dull
Greasy to Dull
1.1.7 Compressive Strength
90.00 N/mm2150.00 N/mm2
0.15
450
1.1.8 Cleavage
Crenulation and Pervasive
Poor
1.1.9 Toughness
1.1.10 Specific Gravity
1.1.11 Transparency
Opaque
Translucent to Opaque
1.1.12 Density
2.8-2.9 g/cm32.6 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
1.2.2 Resistance
Heat Resistant, Impact Resistant
Heat Resistant, Impact Resistant, Wear Resistant