Properties of Porphyry and Dacite
Grain Size
Fine Grained
Medium to Fine Coarse Grained
Fracture
Irregular
Conchoidal
Porosity
Less Porous
Less Porous
Luster
Dull
Subvitreous to Dull
Cleavage
Imperfect
Perfect
Toughness
1.7
Not Available
Specific Gravity
2.5-4
2.86-2.87
Transparency
Translucent to Opaque
Translucent
Density
2.5-2.52 g/cm3
2.77-2.771 g/cm3
Specific Heat Capacity
Not Available
Resistance
Heat Resistant, Impact Resistant
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Porphyry vs Dacite Properties
Properties of Porphyry and Dacite play an important role in determining the type of rock. Along with Porphyry vs Dacite properties, get to know more about Porphyry Definition and Dacite 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 Dacite.