1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Coarse Grained
Large and Coarse Grained
1.1.3 Fracture
Conchoidal to Uneven
Conchoidal
1.1.4 Streak
Light to dark brown
White
1.1.5 Porosity
Highly Porous
Very Less Porous
1.1.6 Luster
Grainy, Pearly and Vitreous
Earthy
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
Opaque
Translucent to Opaque
1.1.12 Density
2.2-2.35 g/cm30-5.7 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
0.75 kJ/Kg K3.20 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Heat Resistant, Impact Resistant
Heat Resistant, Impact Resistant, Wear Resistant