Properties of Comendite and Anthracite
Physical Properties
  
  
Hardness
6-7
  
1-1.5
  
Grain Size
Medium Grained
  
Medium to Fine Coarse Grained
  
Fracture
Pervasive
  
Conchoidal
  
Streak
Bluish Black
  
Black
  
Porosity
Highly Porous
  
Less Porous
  
Luster
Dull
  
Shiny
  
Compressive Strength
92.40 N/mm
2
  
21
Not Available
  
Cleavage
Not Available
  
Non-Existent
  
Toughness
2
  
Not Available
  
Specific Gravity
2.38
  
1.1-1.4
  
Transparency
Opaque
  
Opaque
  
Density
Not Available
  
1.25-2.5 g/cm3
  
Thermal Properties
  
  
Specific Heat Capacity
Not Available
  
1.32 kJ/Kg K
  
4
Resistance
Heat Resistant, Impact Resistant
  
Heat Resistant, Water Resistant
  
Comendite vs Anthracite Properties
Properties of Comendite and Anthracite play an important role in determining the type of rock. Along with Comendite vs Anthracite properties, get to know more about Comendite Definition and Anthracite 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 Comendite and Anthracite.