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