Stunning Black Onyx Eye of Horus Pendant. Black Onyx is good for Self-control, decision-making, and intuition, and is a powerful protection stone as it absorbs negative energy of people to release mental stress and promote emotional well-being. This symbolic pendant is selling well in Metaphysical, Spiritual, and Lifestyle stores in North America and Europe. This symbolic pendant is selling well in Metaphysical, Spiritual, and Lifestyle stores in North America and Europe. Black Onyx is helpful when dealing with grief or loss. It also helps balance yin and yang energies.. . . Supplying Sterling Silver and Natural Stone Jewelry to New Age, Metaphysical, Spiritual and Life Style stores for 35 years . . . each design comes with it's own 1 year workmanship replacement warranty card