Green Onyx bears several of the most prominent properties of any Onyx stone: willpower, strength, self-control, and discipline. As such, it can be used, like any Onyx, to support the wearer in trying or challenging times, and while making difficult choices. Onyx has long been believed to possess transformative properties, which is part of what makes it so empowering: it makes things that are working against you, work for you instead.
Green Onyx also has its own particular properties as a subset of Onyx. Its vibration carries a deeply soothing energy, giving it the power to to alleviate worries and stress, ease tensions, and calm fears. Your Green Onyx will work to bring you peace, comfort, healing, and protection.