There's two other ways that rocks will often be categorized; the 1st is predicated over the procedures by which they type, by which rocks are classified as either sedimentary, igneous, and metamorphic. Rocks may also be commonly classified by grain or crystal size. rock texturesRocks have a variety of textures. https://cruzzpcrf.webdesign96.com/36710819/the-smart-trick-of-sticks-of-rock-that-nobody-is-discussing