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