Crystal Guidance: Crystal Tips and Prescriptions - Communication. Top Recommended Crystals: Aquamarine, Blue Lace Agate, Chrysocolla, or Turquoise. Additional Crystal Recommendations: Lapis Lazuli, Blue Apatite, Blue Chalcedony, Amazonite, or Kyanite. Communication is associated with the Throat chakra. Work on your Throat chakra to encourage you to communicate your personal truth, speak from your heart, and express yourself with more clarity.