← All stones
Black Onyx
Solid black chalcedony, usually dyed to that even color and polished to a smooth dome. The little black dress of stones.
- Color
- Solid black
- Hardness (Mohs)
- 6.5–7
- Composition
- Banded chalcedony dyed solid black
- Origin
- Worldwide
Care
Assume dyed; clean with mild soap and water, avoid long soaks and strong chemicals.
Traditional lore
Traditionally associated with protection, grounding, and endurance.
Shop pieces with Black OnyxMetaphysical properties reflect traditional beliefs and folklore. They are not scientifically or medically proven and are not a substitute for medical care.