Properties of Coal and Tachylite
Physical Properties
  
  
Hardness
1-1.5
  
5.5
  
Grain Size
Medium to Fine Coarse Grained
  
Medium to Fine Coarse Grained
  
Fracture
Conchoidal
  
Conchoidal
  
Streak
Black
  
Vermilion
  
Porosity
Less Porous
  
Less Porous
  
Luster
Dull to Vitreous to Submetallic
  
Resinous
  
Compressive Strength
Not Available
  
206.00 N/mm
2
  
8
Cleavage
Non-Existent
  
Not Available
  
Toughness
Not Available
  
Not Available
  
Specific Gravity
1.1-1.4
  
2.4
  
Transparency
Opaque
  
Opaque
  
Density
1100-1400 g/cm3
  
3.058 g/cm3
  
Thermal Properties
  
  
Specific Heat Capacity
1.32 kJ/Kg K
  
4
0.56 kJ/Kg K
  
22
Resistance
Heat Resistant
  
Heat Resistant, Impact Resistant, Wear Resistant
  
Coal vs Tachylite Properties
Properties of Coal and Tachylite play an important role in determining the type of rock. Along with Coal vs Tachylite properties, get to know more about Coal Definition and Tachylite 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 Tachylite.