Considerations
Extremely soft and fragile, highly susceptible to scratches, chips, and etching. Very porous, absorbs water and chemicals, leading to damage without constant sealing. Not resistant to heavy foot traffic. High maintenance and cost.
Stone × Application
ONYX — steps stairs
Unique aesthetic for decorative, low-traffic areas if protected from elements.
Specifications
- Finish: Honed, Brushed (for slip resistance).
- Thickness: 1.25-2 inches (3-5 cm)
- Maintenance: Very High
- Installed: 100-300+
Top varieties
White OnyxGreen OnyxHoney Onyx