Properties of Scoria and Pumice
Physical Properties
  
  
Hardness
5-6
  
6
  
Grain Size
Fine Grained
  
Fine Grained
  
Fracture
Conchoidal
  
Planar
  
Streak
White
  
White, Greenish White or Grey
  
Porosity
Highly Porous
  
Highly Porous
  
Luster
Subvitreous to Dull
  
Earthy
  
Compressive Strength
Not Available
  
51.20 N/mm
2
  
26
Cleavage
Perfect
  
Perfect
  
Toughness
2.1
  
3
  
Specific Gravity
Not Available
  
2.86
  
Transparency
Opaque
  
Opaque
  
Density
Not Available
  
0.25-0.3 g/cm3
  
Thermal Properties
  
  
Specific Heat Capacity
Not Available
  
0.87 kJ/Kg K
  
14
Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
  
Impact Resistant, Pressure Resistant
  
Scoria vs Pumice Properties
Properties of Scoria and Pumice play an important role in determining the type of rock. Along with Scoria vs Pumice properties, get to know more about Scoria Definition and Pumice 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 Scoria and Pumice.