Properties of Porphyry and Tonalite
Grain Size
Fine Grained
Medium to Fine Coarse Grained
Fracture
Irregular
Conchoidal
Streak
White
Bluish Black
Porosity
Less Porous
Very Less Porous
Luster
Dull
Subvitreous to Dull
Cleavage
Imperfect
Not Available
Specific Gravity
2.5-4
2.86-3
Transparency
Translucent to Opaque
Opaque
Density
2.5-2.52 g/cm3
2.73 g/cm3
Specific Heat Capacity
Not Available
Resistance
Heat Resistant, Impact Resistant
Heat Resistant, Pressure Resistant, Water Resistant
Porphyry vs Tonalite Properties
Properties of Porphyry and Tonalite play an important role in determining the type of rock. Along with Porphyry vs Tonalite properties, get to know more about Porphyry Definition and Tonalite 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 Porphyry and Tonalite.