Onyx Polishing, Sealing, Stain Removal, & Maintenance


Onyx, a form of marble, is a truly stunning stone known for its incredibly rich colors and luminosity. But this calcium-based stone reacts to acids found in lemon, wine, cleaners, and other substances, which can result in etch marks on the stone surface.

Our expert technicians can hone your onyx countertops, furniture tops, walls, floors and other surfaces to eliminate etching, wear patterns, scratches, dullness and other problems. They can also achieve a honed or soft matte finish that is warm, inviting, and velvety smooth.

Before & After Stone Restoration can also polish your onyx using the appropriate diamonds or polishing powders to provide a beautiful, glass-like polish.


Once your surfaces are restored to their original beauty, we highly recommend having your onyx sealed to enhance its stain resistance. Most stones (unless resined) are naturally porous. If left unsealed, there’s always a risk of spilling a colored or reactive liquid, resulting in stone discoloration. While most stains can be removed, onyx stain removal can be time consuming, expensive and often frustrating. Sealing your onyx surfaces represents an inexpensive, preventative measure against stain damage.


BNA Stone Restoration is experienced in removing stains and discolorations from your onyx surfaces. Whether you are seeking guidance for do-it-yourself stain removal or would prefer to have BNA Stone Restoration remove the discolorations for you, rest assured the original finish of your stone can be most likely be restored.


Regular cleaning and janitorial services are valuable for simple, day-to-day care of onyx surfaces. But over time, their processes leave your surfaces with grout lines that just won’t come clean, shiny scratches, and increasingly obvious wear patterns. As these problems develop, you become more and more dissatisfied with the appearance of your onyx surfaces until it’s time for another round of professional restoration.

BNA Stone uses industry standard equipment and techniques to deliver beautiful results in your Onyx, giving it a shiny and attractive appearance.

To learn more about how BNA Stone can help you, Call for a Free Onsite/Online Quote: (714) 622-9947

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Orange County, California

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Before & After 

Stone Restoration

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marble cleaning, granite cleaning, limestone cleaning, stone repair, travertine cleaning. Serving Newport Beach, Corona del Mar, Newport Coast, Laguna Beach, Laguna Niguel, Laguna Hills, Monarch Bay, Dana Point, San Juan Capistrano, San Clemente, Irvine, Mission Viejo, Costa Mesa, Aliso Viejo, Tustin, Orange, Santa Ana, Fountain Valley, Villa Park, Fullerton, Coto de Caza, Ladera Ranch, Mission Viejo, Huntington Beach, Huntington Harbour, Seal Beach, Redondo Beach, Hermosa Beach