Black Onyx, Brown Tiger Eye, and Hematite
Onyx
Black onyx crystals can be used for grounding, protection, and self-control, and as a shield against negative energy. It also enhances discipline, allowing more ease in following through on goals and completing tasks.
Brown tiger eye
Much of the healing properties that Tiger’s Eyes contain is a result of this gemstone’s appearance. Warriors valued it in ancient times. They believed that it afforded them protection and strength.
Hematite is a grounding stone that is mostly used for protection and stability.6