This is known as a comforting stone/crystal, and can help with issues involving the aura and chakras, and the Jasper family are thought to help you bring your ideas to fruition by giving you the determination needed.
When you want to perform higher spiritual work but stay earth connected, then this is the stone/crystal to use. Chocolate Jasper is often recommended for bringing people back down to earth, especially after meditation or rituals involving the more ethereal/powerful crystals, such as Moldavite.