Onyx is a variety of cryptocrystalline or chalcedony quartz. The black color is most popular among Onyx. A black Onyx gemstone believed to have healing and spiritual properties, and also called as a protective stone. It is worn to release any sort of negativity, bring powers of protection, etc.

This faceted semi-precious gemstone is in a rectangle center drill shape, and the size is 8x16mm.