Rock texturesRocks have many alternative textures. Layered sandstone generates a gritty texture, Whilst coquina may be rough with cemented shells once in a while creating a sharp edge. Furthermore, breccia, which contains items of other rocks which were cemented alongside one another, and porphyry, which consists of interlocking mineral crystals, https://rock-sticks57890.actoblog.com/37032409/sticks-of-rock-fundamentals-explained