Properties of Porphyry and Anthracite
Grain Size
Fine Grained
Medium to Fine Coarse Grained
Fracture
Irregular
Conchoidal
Porosity
Less Porous
Less Porous
Cleavage
Imperfect
Non-Existent
Toughness
1.7
Not Available
Specific Gravity
2.5-4
1.1-1.4
Transparency
Translucent to Opaque
Opaque
Density
2.5-2.52 g/cm3
1.25-2.5 g/cm3
Specific Heat Capacity
Not Available
Resistance
Heat Resistant, Impact Resistant
Heat Resistant, Water Resistant
Porphyry vs Anthracite Properties
Properties of Porphyry and Anthracite play an important role in determining the type of rock. Along with Porphyry vs Anthracite properties, get to know more about Porphyry Definition and Anthracite 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 Anthracite.