This beautiful onyx obelisk looks great by itself or in a grouping. Onyx is a variety of Chalcedony, a member of the Quartz family with a hexagonal crystal system and a hardness of 7. Onyx is defined as a banded Chalcedony in which the lines of banding are parallel.
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.