OPAL AND PHYSICAL HEALTHOpal has a generally health enhancing effect because it strengthens the will to live. Opal is beneficial for the health or your eyes, kidneys and skin. This stone is helpful if you are challenged by dehydration or water retention. Use it to balance your body's water content. This is a good stone for those who work in or around water, such as a physical therapist who employs hydrotherapy. Opal strengthens the will to live. It treats Parkinson's disease, infections and fevers. Opal strengthens your memory, purifies the blood and kidneys. It regulates insulin, eases childbirth and alleviates PMS (use the dark colours for this). Opal is beneficial to the eyes, especially as