1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.4.2 Grain Size
Coarse Grained
Medium to Coarse Grained
1.4.3 Fracture
1.4.4 Streak
Light to dark brown
White
1.4.5 Porosity
1.4.6 Luster
Earthy
Grainy, Pearly and Vitreous
1.4.7 Compressive Strength
1.5.1 Cleavage
1.5.2 Toughness
Not Available
Not Available
1.5.3 Specific Gravity
1.5.4 Transparency
1.5.5 Density
2.8-2.9 g/cm32.6-2.8 g/cm3
0
1400
1.6 Thermal Properties
1.6.1 Specific Heat Capacity
0.92 kJ/Kg K0.79 kJ/Kg K
0.14
3.2
1.6.2 Resistance
Heat Resistant
Heat Resistant, Wear Resistant