1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Medium to Coarse Grained
Large and Coarse Grained
1.1.1 Fracture
Conchoidal
Sub-conchoidal
1.1.2 Streak
1.2.1 Porosity
Less Porous
Highly Porous
1.2.3 Luster
Grainy, Pearly and Vitreous
Earthy
1.2.5 Compressive Strength
178.54 N/mm2140.00 N/mm2
0.15
450
1.3.12 Cleavage
1.3.13 Toughness
1.3.14 Specific Gravity
1.4.2 Transparency
Translucent to Opaque
Opaque
1.4.3 Density
2.6-2.65 g/cm32.4-2.6 g/cm3
0
1400
1.7 Thermal Properties
1.7.1 Specific Heat Capacity
1.7.2 Resistance
Heat Resistant, Impact Resistant, Pressure Resistant
Heat Resistant, Wear Resistant