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, Greenish White or Grey
1.1.5 Porosity
Less Porous
Highly Porous
1.1.6 Luster
Grainy, Pearly and Vitreous
Greasy to Dull
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
Not Available2.6 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, Wear Resistant