1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Fine to Medium Grained
Fine Grained
1.1.3 Fracture
Conchoidal
Conchoidal to Uneven
1.1.4 Streak
Bluish Black
White to Grey
1.1.5 Porosity
Less Porous
Highly Porous
1.1.6 Luster
Grainy, Pearly and Vitreous
Waxy and Dull
1.1.7 Compressive Strength
1.1.8 Cleavage
1.1.9 Toughness
1.1.10 Specific Gravity
Not Available2.56-2.68
0
8.4
1.1.11 Transparency
1.1.12 Density
Not Available2.54-2.66 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
1.2.2 Resistance
Heat Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Impact Resistant