Rock texturesRocks have many various textures. Layered sandstone provides a gritty texture, whereas coquina can be rough with cemented shells at times producing a pointy edge. Similarly, breccia, which has pieces of other rocks which have been cemented jointly, and porphyry, which contains interlocking mineral crystals, are usually rough. These https://rocksticks90011.smblogsites.com/36327269/a-review-of-sticks-of-rock