Properties of Phonolite and Soapstone
Physical Properties
  
  
Hardness
5.5-6
  
1
  
Grain Size
Fine Grained
  
Fine Grained
  
Fracture
Conchoidal to Uneven
  
Conchoidal
  
Streak
White
  
Black
  
Porosity
Less Porous
  
Less Porous
  
Luster
Greasy to Dull
  
Greasy
  
Compressive Strength
150.00 N/mm2
  
14
225.00 N/mm2
  
7
Cleavage
Poor
  
Perfect
  
Toughness
Not Available
  
1
  
Specific Gravity
2.6
  
2.86
  
Transparency
Translucent to Opaque
  
Opaque
  
Density
2.6 g/cm3
  
2.8-2.9 g/cm3
  
Thermal Properties
  
  
Specific Heat Capacity
Not Available
  
0.88 kJ/Kg K
  
13
Resistance
Heat Resistant, Impact Resistant, Wear Resistant
  
Heat Resistant, Pressure Resistant
  
Phonolite vs Soapstone Properties
Properties of Phonolite and Soapstone play an important role in determining the type of rock. Along with Phonolite vs Soapstone properties, get to know more about Phonolite Definition and Soapstone 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 Phonolite and Soapstone.