Each bracelet has a different mineral meaning but they all include the matted black Onyx.  BLACK ONYX: Black Onyx is a stone of inner strength. It enhances one's endurance and persistence, enabling one to carry even difficult and dreary tasks through to completion. It increases one's ability to maintain mental focus, allowing one to learn challenging new material and use well all that one has mastered. It energetically boosts the retention of memory and encourages attention to detail. Onyx is also a stone of physical strength. It assist one in containing one's energies rather than allowing them to dissipate. It helps one to gradually build up one's vitality.
🧹 CRYSTAL ENERGY CLEANSING: Black Onyx emanates the energy of self-mastery. It can help one to control, focus and direct the will, and this brings about a considerable increase in one's personal power. It assist one in learning that the most important control is self-control. Onyx cools and condenses excessive energies. It calms nervousness, quells anxiety, soothes hot tempers and brings reason to passion. Onyx is a good grounding influence when one is meditating with high energy stones. It works well with other stones by consolidating their energies. It helps one integrate spiritual insights.