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