Characteristics related to grain size of rocks are called as texture. Here you can know more about texture of Limestone and Diatomite. Texture of Limestone is Clastic or Non-Clastic whereas that of Diatomite is Clastic or Non-Clastic. Based on the texture of rocks, they are used for various purposes. Get detailed information about Limestone vs Diatomite texture, color, appearance and maintenance in the next section.