Properties of Porphyry and Granophyre play an important role in determining the type of rock. Along with Porphyry vs Granophyre properties, get to know more about Porphyry Definition and Granophyre 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 Granophyre.