Properties
Physical Properties
Hardness
5.5-6
5.5
Grain Size
Large and Coarse Grained
Coarse Grained
Fracture
Uneven, Splintery or Conchoidal
Uneven
Streak
White
Light to dark brown
Porosity
Highly Porous
Less Porous
Luster
Earthy
Earthy
Cleavage
Imperfect
Irregular
Toughness
1.5
Not Available
Specific Gravity
5.0-5.3
2.86
Transparency
Translucent to Opaque
Opaque
Density
Not Available
2.8-2.9 g/cm3
Thermal Properties
Specific Heat Capacity
3.20 kJ/Kg K
1
0.92 kJ/Kg K
10
Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Heat Resistant
|
||
|
||
|
