1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Coarse Grained
Fine Grained
1.1.3 Fracture
Conchoidal to Uneven
Planar
1.1.4 Streak
Light to dark brown
White, Greenish White or Grey
1.1.5 Porosity
Highly Porous
Highly Porous
1.1.6 Luster
Grainy, Pearly and Vitreous
Earthy
1.1.7 Compressive Strength
1.1.8 Cleavage
1.1.9 Toughness
1.1.10 Specific Gravity
1.1.11 Transparency
1.1.12 Density
2.2-2.35 g/cm30.25-0.3 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
0.75 kJ/Kg K0.87 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Heat Resistant, Impact Resistant
Impact Resistant, Pressure Resistant