If you need a very realistic stone texture For some of your designs and you cannot find the right one for you in the resources offered by the network, with the following tutorial you will learn how to make a very realistic stone texture and completely to your liking.
El tutorial I'ts divided into 6 easy steps Very well explained with screenshots and text (although it is originally in English, you can always translate with an online translator into Spanish if you don't know English).
Also at the end of the tutorial they have left us a link of discharge to get the layered PSD file with which it will be much easier for you to follow the tutorial.
Source | Photoshop tutorial to make a realistic stone texture