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