Properties of Coal and Wehrlite
Physical Properties
  
  
Hardness
1-1.5
  
5.5-6
  
Grain Size
Medium to Fine Coarse Grained
  
Coarse Grained
  
Fracture
Conchoidal
  
Irregular
  
Streak
Black
  
White
  
Porosity
Less Porous
  
Less Porous
  
Luster
Dull to Vitreous to Submetallic
  
Metallic
  
Cleavage
Non-Existent
  
Perfect
  
Toughness
Not Available
  
2.1
  
Specific Gravity
1.1-1.4
  
8.4
  
Transparency
Opaque
  
Opaque
  
Density
1100-1400 g/cm3
  
2.6-3.7 g/cm3
  
Thermal Properties
  
  
Specific Heat Capacity
1.32 kJ/Kg K
  
4
0.63 kJ/Kg K
  
21
Resistance
Heat Resistant
  
Heat Resistant, Impact Resistant, Pressure Resistant
  
Coal vs Wehrlite Properties
Properties of Coal and Wehrlite play an important role in determining the type of rock. Along with Coal vs Wehrlite properties, get to know more about Coal Definition and Wehrlite Definition. For the ease of understanding, the properties of rocks are divided into physical and thermal properties. Rocks have a variety of properties like hardness, color, specific gravity, fracture, cleavage, luster etc. Know all about physical and thermal properties of Coal and Wehrlite.