Blackstone is usually jasper that's permanently dyed a black color. Many associate blackstone with the healing properties of jasper. It is thought to be a protective and healing stone, and it is believed to bring good luck to the wearer in any type of struggle, mental, physical, or political. Blackstone is also said to amplify the metaphysical properties of other stones.

Black onyx is a protective stone. It is said to chase away nightmares, dispel negative energy, increase confidence and self-esteem, and enhance concentration. It is thought to balance emotions and to help us to keep feelings under control. Black onyx is believed to heal old wounds and to help us to change old habits. Black onyx is associated with the Zodiac signs of Leo and Capricorn. It is the mystical birthstone for the month of December, and an alternate birthstone for the month of February. It is given as an anniversary gift for the 10th year of marriage. Whether you believe in the power of the stone or not, black is a fabulous addition that will complement any wardrobe.