1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Medium to Fine Coarse Grained
Fine to Medium Grained
1.1.3 Fracture
1.1.4 Streak
Bluish Black
White to Grey
1.1.5 Porosity
Very Less Porous
Highly Porous
1.1.6 Luster
1.1.7 Compressive Strength
1.1.8 Cleavage
Crenulation and Pervasive
Slaty
1.1.9 Toughness
1.1.10 Specific Gravity
1.1.11 Transparency
1.1.12 Density
2.8-2.9 g/cm32.8-2.9 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
1.2.2 Resistance
Heat Resistant, Impact Resistant
Impact Resistant, Pressure Resistant