Rock texturesRocks have many different textures. Layered sandstone generates a gritty texture, Whilst coquina might be tough with cemented shells often generating a sharp edge. Also, breccia, which contains pieces of other rocks which have been cemented jointly, and porphyry, which contains interlocking mineral crystals, are usually tough. These kinds https://sticksofrock57789.blogscribble.com/36458140/top-latest-five-sticks-of-rock-urban-news