Crystal Guidance: Crystal Tips and Prescriptions - Diabetes. Top Recommended Crystals: Citrine, Serpentine, or Pink Opal. Additional Crystal Recommendations: Chrysocolla, Emerald, Red Jasper, Malachite, or Sodalite. Diabetes is associated with the Solar Plexus chakra. Carry with you continuously and/or work with your preferred crystal on the Solar Plexus for 15-20 minutes a few times a week.