Black Onyx is a powerful gemstone, it absorbs and transforms negative energy, and helps to prevent the drain of positive energy. Black Onyx aids the development of emotional and physical strength and stamina, especially when support is needed during times of stress, confusion and grief. Black Onyx fosters wise decision-making. Use Black Onyx to encourage happiness and good fortune. It is a strength giving stone and can provide support for self-discipline issues. Black Onyx can be useful in healing old wounds or past lives issues. Black Onyx helps one to become master of their own future. Smoky Quartz has similar properties, it relieves stress, fear, jealousy, anger and other negative emotions.