1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Fine Grained
Large and Coarse Grained
1.1.3 Fracture
1.1.4 Streak
1.1.5 Porosity
Highly Porous
Less Porous
1.1.6 Luster
Subvitreous to Dull
Dull to Grainy with Sporadic parts Pearly and Vitreous
1.1.7 Compressive Strength
1.1.8 Cleavage
1.1.9 Toughness
1.1.10 Specific Gravity
Not Available2.6-2.7
0
8.4
1.1.11 Transparency
1.1.12 Density
Not Available2.65-2.75 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
1.2.2 Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Wear Resistant