Properties of Argillite and Lignite
Physical Properties
  
  
Hardness
2-3
  
1
  
Grain Size
Fine Grained
  
Medium to Fine Coarse Grained
  
Fracture
Conchoidal to Uneven
  
Conchoidal
  
Streak
White to Grey
  
Black
  
Porosity
Highly Porous
  
Highly Porous
  
Luster
Waxy and Dull
  
Dull to Vitreous to Submetallic
  
Cleavage
Slaty
  
Non-Existent
  
Toughness
2.6
  
Not Available
  
Specific Gravity
2.56-2.68
  
1.1-1.4
  
Transparency
Opaque
  
Opaque
  
Density
2.54-2.66 g/cm3
  
800-801 g/cm3
  
Thermal Properties
  
  
Specific Heat Capacity
0.87 kJ/Kg K
  
14
1.26 kJ/Kg K
  
5
Resistance
Heat Resistant, Impact Resistant
  
Heat Resistant
  
Argillite vs Lignite Properties
Properties of Argillite and Lignite play an important role in determining the type of rock. Along with Argillite vs Lignite properties, get to know more about Argillite Definition and Lignite 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 Argillite and Lignite.