The Best Cleaning Techniques & Healing Benefits of Cobalt Calcite Rings Wearing Cobalt Calcite Rings is an excellent option if you wish to heal from symptoms of PTSD. The energies of this stone will make you feel as if you have a strong support system that has your back at all times. As the person wears this stone on a regular basis, it gives them a relaxing cathartic experience of pushing out feelings stuffed deep inside the heart and releasing the trauma stored within the psyche.