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