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