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