Come distinguere tra marmo naturale e granito?

One way to distinguish between natural marble and granite is to look at their surface texture and patterns. Marble tends to have a more uniform and smooth surface with veins and swirls, while granite has a more speckled and granular appearance. Additionally, marble is generally softer and more porous than granite, so it is more prone to scratches and staining. Finally, you can perform a simple acid test to differentiate between the two: marble will react with acid (such as vinegar) and fizz, while granite will not.