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