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