Properties
Physical Properties
Hardness
3.5-45.5-6
1
7
👆🏻
Grain Size
Medium to Fine Coarse Grained
Large and Coarse Grained
Fracture
Conchoidal
Uneven, Splintery or Conchoidal
Streak
White
White
Porosity
Less Porous
Highly Porous
Luster
Vitreous and Pearly
Earthy
Compressive Strength
140.00 N/mm2NA
0.15
450
👆🏻
Cleavage
Perfect
Not Available
Toughness
1
1.5
Specific Gravity
2.8-35-5.3
0
8.4
👆🏻
Transparency
Transparent to Translucent
Translucent to Opaque
Density
2.8-2.9 g/cm3Not Available
0
1400
👆🏻
Thermal Properties
Specific Heat Capacity
0.92 kJ/Kg K3.20 kJ/Kg K
0.14
3.2
👆🏻
Resistance
Heat Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant