Cerussite

Properties: Spirituality – spiritual transformation / Inspiration / Creativity / Hope / Strength / Love – especially towards ourselves / Enhances our physical, emotional and spiritual well-being.

You can program a crystal, which means asking its help with something specific of all that it can offer you. But this is not mandatory. The crystal will help you anyway where the universe deems you need reinforcement or assistance. Basic condition of course is that you value it and believe in its power.