1 Properties
1.1 Physical Properties
1.1.1 Hardness
1.1.2 Grain Size
Large and Coarse Grained
Medium to Fine Coarse Grained
1.1.3 Fracture
Sub-conchoidal
Conchoidal
1.1.4 Streak
1.1.5 Porosity
Highly Porous
Less Porous
1.1.6 Luster
Earthy
Vitreous and Pearly
1.1.7 Compressive Strength
140.00 N/mm2140.00 N/mm2
0.15
450
1.1.8 Cleavage
1.1.9 Toughness
1.1.10 Specific Gravity
1.1.11 Transparency
Opaque
Transparent to Translucent
1.1.12 Density
2.4-2.6 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, Wear Resistant
Heat Resistant, Pressure Resistant, Wear Resistant