Im with Healer on this one, all natural compounds hold many energies.
1 way to programme any crystal for any use:
Step One - Clear your crystal with whatever method you prefer (water, smudging or a cleansing ritual), and sit down with your crystal at your personal altar or in a place that you're not likely to be disturbed while you are programming your crystal.
Step Two - Hold the crystal in your dominant hand (right hand if right handed) and clear your mind of unrelated thoughts. Start to focus on your intention for the programming of your crystal.
Step Three - Focus on your intention for your crystal by saying descriptive words aloud. For instance, if you want to program your crystal to bring peace of mind, start repeating the words "peace of mind" over and over again. A whisper is fine if a normal tone of voice would attract distracting attention from others.
Step Four - Repeat your intent verbally into your non-dominant hand, then place that hand over your crystal to push the vibrations into the crystal.
Step Five - Continue holding the crystal and repeating your intention until it feels as though the vibrations have sunk into the crystal fully. If necessary, repeat step four.
Once your intuition tells you or you have a sense that the crystal has accepted the vibrations, open your hands and thank the crystal. The crystal is now programmed.