Properties of Phonolite and Gabbro
Physical Properties
  
  
Hardness
5.5-6
  
7
  
Grain Size
Fine Grained
  
Coarse Grained
  
Fracture
Conchoidal to Uneven
  
Conchoidal
  
Streak
White
  
Black
  
Porosity
Less Porous
  
Highly Porous
  
Luster
Greasy to Dull
  
Not Available
  
Compressive Strength
150.00 N/mm2
  
14
225.00 N/mm2
  
7
Cleavage
Poor
  
Not Available
  
Toughness
Not Available
  
1.6
  
Specific Gravity
2.6
  
2.86-2.87
  
Transparency
Translucent to Opaque
  
Opaque
  
Density
2.6 g/cm3
  
2.7-3.3 g/cm3
  
Thermal Properties
  
  
Resistance
Heat Resistant, Impact Resistant, Wear Resistant
  
Impact Resistant, Pressure Resistant, Wear Resistant
  
Phonolite vs Gabbro Properties
Properties of Phonolite and Gabbro play an important role in determining the type of rock. Along with Phonolite vs Gabbro properties, get to know more about Phonolite Definition and Gabbro 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 Gabbro.