Rock texturesRocks have many various textures. Layered sandstone provides a gritty texture, whereas coquina can be rough with cemented shells often making a sharp edge. Furthermore, breccia, which has parts of other rocks which have been cemented jointly, and porphyry, which incorporates interlocking mineral crystals, tend to be rough. Metamorphism https://titusyodwl.tinyblogging.com/the-5-second-trick-for-sticks-of-rock-79988316