Rock texturesRocks have a variety of textures. Layered sandstone provides a gritty texture, whereas coquina can be rough with cemented shells at times producing a sharp edge. Also, breccia, which contains pieces of other rocks which were cemented together, and porphyry, which incorporates interlocking mineral crystals, are typically tough. Basalt https://personalisedsweets34556.shoutmyblog.com/35423878/the-greatest-guide-to-personalised-sweets