Home » Onyx for Countertops: Everything You Need To Know
Onyx for Countertops: Everything You Need To Know
You have a lot of choices when it comes to natural stone countertops. Granite has strong veins patterns, marble has a soft glow and classic look, while quartz is strong and has interesting designs.
But, if you want something really different and interesting, you should definitely consider onyx for countertops. It has a level of impact that other natural stones can’t match.
Table of Contents
What is Onyx?


A rare and beautiful natural stone, onyx for countertops is mostly composed of calcium carbonate. It gets its characteristic striped appearance from the layers deposited by mineral rich water in caves and hot springs where it originates. The extraordinary translucency of onyx allows light to penetrate through, resulting in a breathtaking effect. This quality makes it an excellent option for accent lighting and designs that are backlit.
Nowadays, natural onyx stone is one of the most popular choices by homeowners and designers for high end commercial and residential spaces. However, keep in mind that onyx for countertops aren’t as sturdy as other stones that could easily get scratches or stains.
Characteristic of Onyx Countertops


Color Variations
Natural onyx stone comes in a beautiful range of color, and each one has its own design. You’ll be able to find the perfect onyx color for your project, whether you like bright colors like jade green, ocean blue or more muted ones like ivory or honey. Plus, backlighting can bring out the natural transparency to make a stunning glow that is sure to amaze.
Veining and Patterns
Another thing that makes natural onyx stone stand out is its veining. The veins can be very fine or very thick, and they often make complicated patterns that look like natural scenes or abstract art.
Strength and Durability
Although natural onyx stone is beautiful, it is not as hard or dense as granite or quartz. This makes it more likely to dented, so it might not be the best choice for heavy use and busy kitchens. In order to preserve its beauty and strength, you will need to handle it with caution.
Onyx for Countertops: Benefits and Drawbacks


The table below showcases the benefits and drawbacks of natural onyx stone. This will help you make an informed decision if it is the right material for your countertops.
Benefits | Drawbacks |
Customization options- With onyx, you can make your space look whatever you want. Onyx can be made to fit your exact needs. Design Flexibility- Aside from countertops, onyx can also be used as tables, backsplashes, vanity tops, wall panels and more. Translucent- Onyx translucence gives a delicate touch and lets shine through for a magnificent backlit bar countertop. Lightweight – Due to its minimal weight, onyx is adaptable and inventive. Its delicate density makes it easy to handle and construct for vertical and interior usage. | High cost – Onyx for countertops are rare and expensive. You’ll pay more for both the material and labor, as skilled contractors are needed for installation. Fragile- Onyx countertops are more fragile than other stones making it scathcahble and crackable. Maintenance- More than placement is needed to install onyx for countertops. You’ll need to use special cleaners and plan for occasional refinishing to maintain its appearance. Limited availability- Onyx is rarer than granite, marble or quartz. This can make stone sourcing harder and delay purchase and installation. |
Marvelous Onyx Slabs&Tiles For Wholesale
Onyx For Countertops: 9 Step by Step Installation Process
Knowing how to install onyx for countertops is essential if you are thinking about getting it.
Below are the 9 step by step process, ensuring you achieve a flawless finish with minimal hassle.
Step 1: Preparing the surface
- Before you put onyx for countertops, you need to carefully prepare the surface. For smooth fitting, make sure it is clean, level and dry. Take out the old countertops and any other debris. Look for areas that aren’t level and use shims or leveling compound as required.
Step 2: Take a measure and make a template
- To put an onyx countertop correctly, you should first measure the size of the area you want to cover, making sure to include any cutouts for sink or appliances. Use rigid materials like cardboard or plastic to make a detailed template with exact measurement. This pattern helps you cut onyx correctly.
Step 3: Cutting onyx slabs
- For clean cuts in the onyx slabs, make sure you have the template and a special wet saw with a diamond blade. Protect yourself with gear against dust and debris. Double check measurement to avoid errors and ensure a successful cutting process.
Step 4: Dry fit the onyx countertops
- Before you put onyx for countertops, make sure it is straight by doing a dry fit. Align the slabs with the design as you put them on the base cabinets. Look for gaps or wrong lines and fix them if you find any.
Step 5: Applying strong adhesive
- Apply the strong adhesive once you’ve made sure the dry fit is correct. Make sure you use a good quality adhesive made for stone or onyx. Spread it out evenly on the base cabinets by using a lot of it. If you need to, use a rubber mallet to firmly place the onyx pieces on the glue.
Step 6: Securing the countertops
- Use weights and clamps to keep the onyx slabs in place as the adhesive sets, securing the countertops. Follow the adhesive manufacturers recommended curing time, which typically ranges from 24-48 hours. During this time, don’t put any weight on the countertops to keep it from moving.
Step 7: Sealed onyx countertops
- Onyx countertops should be sealed to protect it from moisture and stain. In a thin, uniform coating, use a clean sponge or cloth to apply a natural stone specific cleaner. Please follow the curing recommendations provided by the manufacturer after allowing the sealant to penetrate.
Step 8: Final inspection and clean up
- Finalize the installation by inspecting every part for any flaws and to make sure it is securely in place. Verify that there are no cracks, uneven seams, or problems with the sealant. Carefully wipe the surface to remove any dust or adhesive residue.
Step 9: Care and maintenance
- Clean your onyx countertops regularly to maintain its appearance. Try a Ph-balanced cleaning instead of harsh chemicals or abrasives. Sealant should be reapplied as needed to prevent stains and dampness and preserve its appearance.
Professional vs. DIY Installation
Due to its fragility, onyx for countertops should be installed professionally. Professionals have the skills and tools to handle and install. However, if you decide to do it yourself, make sure you follow the right steps for lifting, getting the right measures and using the right adhesives.
3 Design Ideas of Onyx for Countertops


- Lightning-Consider lightning to appreciate natural onyx stone beauty. Backlighting improves the translucent appearance of onyx countertops. Integrated LED strips or under cabinet illumination can emphasize stone unique patterns and colors.
- Pair it with a neutral color- To smooth out the dramatic effect of onyx for countertops, use a material that goes well with them. A classy background that lets the natural onyx stone stand out can be made with neutral cabinets in colors like white or gray. To improve the general look, you could add metallic accents or glass tiles.
- Design integration-Match the onyx countertops to other things in your kitchen to make it part of the overall design. Backsplashes and vanity tops made of onyx can make your room look more united or you can use different materials to show off the stones unique features.
Conclusion
When thinking about using onyx for countertops, keep in mind that it has a unique look that can’t match other materials. But it is important to look at how much it costs, the installation process,how much upkeep it needs and how long it lasts.
If you’re in need of a supplier for natural onyx stone and other types of stones, don’t hesitate to contact George Stone. With over 30 years of experience in the stone industry, we can deliver high quality and well sourced products.


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