1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Very fine-grained
Coarse Grained
1.1.3 Fracture
Uneven
Conchoidal to Uneven
1.1.4 Streak
White, Greenish White or Grey
Light to dark brown
1.1.5 Porosity
Less Porous
Highly Porous
1.1.6 Luster
Waxy and Dull
Grainy, Pearly and Vitreous
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
2.5-3 g/cm32.2-2.35 g/cm3
0
1400
1.2 Thermal Properties
1.2.1 Specific Heat Capacity
0.95 kJ/Kg K0.75 kJ/Kg K
0.14
3.2
1.2.2 Resistance
Heat Resistant, Water Resistant
Heat Resistant, Impact Resistant