Properties of Andesite and Porphyry
Physical Properties
  
  
Hardness
7
  
6-7
  
Grain Size
Very fine-grained
  
Fine Grained
  
Fracture
Uneven
  
Irregular
  
Streak
White
  
White
  
Porosity
Less Porous
  
Less Porous
  
Luster
Vitreous
  
Dull
  
Compressive Strength
225.00 N/mm
2
  
7
Not Available
  
Cleavage
Not Available
  
Imperfect
  
Toughness
1.1
  
1.7
  
Specific Gravity
2.5-2.8
  
2.5-4
  
Transparency
Opaque
  
Translucent to Opaque
  
Density
2.11-2.36 g/cm3
  
2.5-2.52 g/cm3
  
Thermal Properties
  
  
Specific Heat Capacity
2.39 kJ/Kg K
  
2
Not Available
  
Resistance
Heat Resistant, Pressure Resistant, Wear Resistant
  
Heat Resistant, Impact Resistant
  
Andesite vs Porphyry Properties
Properties of Andesite and Porphyry play an important role in determining the type of rock. Along with Andesite vs Porphyry properties, get to know more about Andesite Definition and Porphyry 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 Andesite and Porphyry.