1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.3.2 Grain Size
Coarse Grained
Fine to Coarse Grained
1.3.3 Fracture
1.3.4 Streak
Light to dark brown
White
1.3.5 Porosity
Less Porous
Very Less Porous
1.3.6 Luster
Earthy
Subvitreous to Dull
1.3.7 Compressive Strength
1.3.8 Cleavage
1.3.9 Toughness
Not Available
Not Available
1.3.10 Specific Gravity
1.3.11 Transparency
Opaque
Translucent to Opaque
1.3.12 Density
2.8-2.9 g/cm32.95-2.96 g/cm3
0
1400
1.4 Thermal Properties
1.4.1 Specific Heat Capacity
1.4.2 Resistance
Heat Resistant
Heat Resistant, Impact Resistant