Aragonite comes in white, yellow, reds and brown. It is sometimes referred to as Onyx when marketed in works of art and decorative objects. Aragonite is a reliable earth healer and grounding stone. It strengthens the immune system and regulates the body’s processes. Use Aragonite to reduce nervousness when dealing with other people. This healing crystal has the ability to center and ground physical energies and stabilizes the Sacral and Root Chakras.