Rock texturesRocks have many different textures. Layered sandstone generates a gritty texture, While coquina may very well be rough with cemented shells at times developing a pointy edge. Likewise, breccia, which incorporates parts of other rocks which were cemented jointly, and porphyry, which contains interlocking mineral crystals, are typically rough. https://sticksofrock91123.blog-ezine.com/36457362/not-known-details-about-sticks-of-rock