Ethiopian Opal Freeform RingRough cut Ethiopian opal stone set in a pronged sterling silver ring. From Ethiopia. Size 7 October Birthstone Ethiopian opal is believed to be an emotional intensifier, enhancing the true nature of those who wear it. Some say it strengthens the will to live and shields the wearer against negativity, burning off karma. It is also beneficial for boosting creativity and balancing the chakras. It is also a very good stone to use for psychic development