# Black Onyx and Crystal Black onyx and crystal are special items featuring a beautiful combination of deep black onyx and clear crystal. Onyx is said to ward off evil spirits and enhance mental strength, while crystal supports purification and balances energy. This combination of stones brings peace of mind! The simple and refined design can be used in various situations. ■ Size This product is made with a bracelet size of 18cm, and can be adjusted to fit the wrist size, so it can be enjoyed by a wide range of people. The bead sizes are 6mm and 8mm. ■ Shipping and Order Information and Notes Orders will usually be shipped within 3 business days. We will prepare carefully for prompt delivery.