Properties of Lignite and Rapakivi Granite
Physical Properties
  
  
Hardness
1
  
6-7
  
Grain Size
Medium to Fine Coarse Grained
  
Large and Coarse Grained
  
Fracture
Conchoidal
  
Not Available
  
Streak
Black
  
White
  
Porosity
Highly Porous
  
Less Porous
  
Luster
Dull to Vitreous to Submetallic
  
Dull to Grainy with Sporadic parts Pearly and Vitreous
  
Compressive Strength
Not Available
  
175.00 N/mm
2
  
13
Cleavage
Non-Existent
  
Not Available
  
Toughness
Not Available
  
Not Available
  
Specific Gravity
1.1-1.4
  
2.6-2.7
  
Transparency
Opaque
  
Opaque
  
Density
800-801 g/cm3
  
2.6-2.8 g/cm3
  
Thermal Properties
  
  
Specific Heat Capacity
1.26 kJ/Kg K
  
5
0.79 kJ/Kg K
  
16
Resistance
Heat Resistant
  
Heat Resistant, Wear Resistant
  
Lignite vs Rapakivi Granite Properties
Properties of Lignite and Rapakivi Granite play an important role in determining the type of rock. Along with Lignite vs Rapakivi Granite properties, get to know more about Lignite Definition and Rapakivi Granite 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 Lignite and Rapakivi Granite.