1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Medium to Fine Coarse Grained
Coarse Grained
1.1.3 Fracture
Conchoidal
Conchoidal to Uneven
1.1.4 Streak
White
Light to dark brown
1.1.5 Porosity
Less Porous
Highly Porous
1.1.6 Luster
Vitreous and Pearly
Grainy, Pearly and Vitreous
1.1.7 Compressive Strength
1.1.8 Cleavage
1.1.9 Toughness
1.1.10 Specific Gravity
1.1.11 Transparency
Transparent to Translucent
Opaque
1.1.12 Density
2.8-2.9 g/cm32.2-2.35 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
0.92 kJ/Kg K0.75 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Heat Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Impact Resistant