1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Coarse Grained
Coarse Grained
1.1.3 Fracture
Conchoidal to Uneven
Irregular
1.1.4 Streak
Light to dark brown
White
1.1.5 Porosity
Highly Porous
Less Porous
1.1.6 Luster
Grainy, Pearly and Vitreous
Pearly to Subvitreous
1.1.7 Compressive Strength
1.1.8 Cleavage
1.1.9 Toughness
Not Available
Not Available
1.1.10 Specific Gravity
1.1.11 Transparency
1.1.12 Density
2.2-2.35 g/cm32.7-4 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
0.75 kJ/Kg K0.84 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Heat Resistant, Impact Resistant
Heat Resistant, Impact Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant