Rock texturesRocks have many various textures. Layered sandstone provides a gritty texture, whereas coquina could be rough with cemented shells at times producing a sharp edge. Also, breccia, which contains items of other rocks which were cemented together, and porphyry, which includes interlocking mineral crystals, are typically tough. Igneous rocks https://rocksticks01120.slypage.com/36999443/what-does-sticks-of-rock-mean