Photo is for reference only. Color, veining, and shading vary between slabs. This stone is brought in per order, so tell us your full run and we will source slabs from the same block.

Mint Onyx

Quarry: Turkey
Surface Finish: Polished
Edges: Natural (Unpolished)
Thickness: 18 mm
Requires Sealing: Yes

Switch on the light behind a bar front and green bands come up from inside the stone. Mint Onyx is translucent when backlit, and its banding shifts between slabs, so no panel repeats another.

Quarry	TurkeySurface Finish: PolishedEdges: Natural (Unpolished)Thickness: 18 mmRequires Sealing: Yes

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Indent order: brought in for your project rather than held in the yard. Ask your branch about the current lead time.

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Why Choose Mint Onyx

Translucent When Backlit Cool green bands glow when lit from behind, best under neutral or cool white light.

Provides an Upscale Look A feature material for bar fronts, clad walls and reception desks rather than a working surface.

Unique Appearance Green intensity and banding shift between slabs, so each panel is unrepeatable.

Best as a Feature Onyx is at its finest on a backlit bar front, feature wall or vanity, where its translucency becomes the centerpiece of the room.

What Is Mint Onyx?

Pale green banding, and light that passes through it.

Mint Onyx is a translucent stone in soft green, cream and white, banded in irregular layers that read as movement rather than pattern. It is quarried in Turkey, and it sits alongside Honey Onyx at the top of our price range.

The defining property is translucency. Light passes through the stone rather than stopping at the surface, so a backlit panel glows from within and the banding becomes depth.

What Is Onyx, Geologically?

Architectural onyx is banded calcite, deposited layer by layer where mineral-rich water emerged in caves and springs. Trace minerals color each layer, which is why the banding carries the pattern.

It is unrelated to the black onyx sold in jewelry, which is chalcedony. The two share a name and nothing else.

Why Is the Green So Variable?

The green comes from trace minerals present when each band was laid down, and their concentration shifted over time. Some slabs read as a clear mint, others lean gray or almost celadon, and a few carry rust or amber threading.

That variation is not a grading issue. It is simply how the stone formed, and it is the strongest argument for telling us exactly what you want before we order.

How Does It Compare to Honey Onyx?

Same material class, opposite temperature. Honey Onyx is warm amber and gold, where Mint reads cool and green.

That difference matters more than it sounds, because it changes which light suits the stone and which materials sit beside it comfortably.

How Much Does Mint Onyx Cost?

Prices are subject to change without prior notice.

Item	Starting Rates
Mint Onyx slab	On request
Fabrication	₱500 per lm
Installation	₱500 per lm
Sink or hob cut-outs	₱500 per set

Cut-out charges apply only when installation is included. Delivery is priced based on distance from your nearest Stone Depot branch.

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How Do You Backlight Mint Onyx?

Green needs cooler light than amber does.

Backlighting is the reason to buy onyx at all. Unlit, this is an expensive and fragile stone that looks like a pale green marble. Lit, it does something no other material reproduces.

Use neutral or cool white light rather than warm. Warm light pushes the green towards khaki and muddies it.
Diffused LED panels give an even glow. Individual point lights read as hot spots through the stone.
Leave an air gap between the light and the slab so heat does not build against the back face.
Thinner slabs transmit more light, so ask about reducing thickness for a lit panel.
Dimmable fittings are worth the money, because green shifts character noticeably with intensity.

This is the main practical difference from Honey Onyx. Amber flatters warm light and green fights it, so the same rig behind a different slab produces very different results.

Build the lighting and the fixing together. A backlit panel needs a frame that holds the stone, houses the source and allows access later, and retrofitting all three is far harder than planning them.

Where Should You Use Mint Onyx?

Feature surfaces, and nothing that takes wear.

Vertical surfaces suit it best.

Backlit feature walls and partition panels
Bar fronts and reception desk faces
Bathroom vanity tops and clad walls
Backsplashes away from a cooktop
Tabletops and inlay work

A clad wall or a bar front carries the drama, sees almost no wear, and puts the stone somewhere light can get behind it.

The cool green also works particularly well in bathrooms, where it reads fresh rather than warm. Against white sanitaryware it is striking without being heavy.

What it does not suit is any working surface. It scratches, it etches and it chips at the edges. Those facts together rule out most of what people first imagine.

How Do You Clean Mint Onyx?

Three habits, and gentleness is the theme.

Use Only Onyx-Safe Cleaner

Onyx is calcite, so vinegar, lemon and most bathroom products etch it on contact. A pH-neutral stone cleaner is the only safe daily option.

Wipe, Never Scrub

The stone is soft enough that abrasive pads leave visible scratching. A soft damp cloth handles anything a feature surface realistically meets.

Dry It Afterwards

Water marks show on a polished translucent surface, and standing moisture is worse here than on a dense stone. A dry pass finishes the job properly.

We stock specially-formulated stone cleaners at every branch, so pick one up when you collect your slab.

How Do You Care for Mint Onyx?

Three habits that protect a fragile stone.

Seal It When It Needs It

Onyx is porous and stains readily, so sealing is not optional. Reseal when it needs it, which can be as often as every six months, and a vanity meeting cosmetics may want it sooner.

Keep Acids Away Entirely

Limescale removers, toilet cleaners, cosmetics and citrus all etch calcite. On a translucent stone an etch disrupts how light passes through, not only how the surface looks.

Protect the Edges

Onyx chips more readily than granite or marble, and edges take the worst of it. Eased or bullnosed profiles survive better than sharp arrises anywhere within reach.

Is Mint Onyx Good for Kitchen Countertops?

Worth answering plainly before you order.

No. We would not specify onyx for a working kitchen counter, and it is better to say so now than after fabrication.

Onyx is soft, porous and brittle, closer to alabaster than to granite. A kitchen counter is the most demanding surface in a house, and this is among the least suitable materials for it.

Calamansi, vinegar and tomato etch it on contact, and no sealer prevents that.
Knives scratch it, and marks show plainly on a polished translucent surface.
Edges chip where pans and pot handles catch them.
Damage is expensive to tolerate and expensive to replace.

If you want onyx in a kitchen, put it on an island face or a backlit splashback away from the hob. You get the material where it is seen and something durable where the work happens.

For the counter itself, granite or engineered quartz will serve you far better at a fraction of the price.

Does Mint Onyx Need Sealing?

Non-negotiable, but on the stone’s schedule.

Yes. Onyx is among the most porous stones we carry, so sealing matters more here than on any granite or marble.

Oil, cosmetics, wine and cleaning products all soak into unsealed onyx. A stain in a translucent stone is worse than one in an opaque stone, because it shows whether the panel is lit or not.

Test it when you are unsure. Put a small pool of water on the surface, leave it 15 minutes and wipe. A darker patch where the water sat means the sealer has worn through.

Sealing resists staining and does nothing for etching. Acid dissolves calcite on contact, so keeping citrus and descalers off the stone is a separate discipline entirely.

Frequently Asked Questions

What is the difference between Mint Onyx and Honey Onyx?

Color temperature, mostly. Mint is cool green, cream and white, where Honey Onyx is warm amber and gold. Both are quarried in Turkey.

Both are priced the same and both behave identically: porous, soft and translucent. The practical difference is which light suits them, since green wants cool light and amber wants warm.

Is Mint Onyx the same as green marble?

No. Green marble such as Verde Alpi is opaque and considerably harder, where onyx is translucent and soft.

The giveaway is light. Hold a thin piece of onyx against a lamp and it glows, and marble does not. If translucency is not what you want, green marble is a far more practical material.

Why does my Mint Onyx look khaki when lit?

Because the light is too warm. Warm white bulbs push green towards khaki and flatten the freshness that makes the stone worth buying.

Switch to neutral or cool white and the mint returns. This is the single most common lighting mistake with green onyx.

Does onyx scratch easily?

Yes. It is considerably softer than granite and softer than most marble, closer to alabaster in hardness.

That is precisely why it belongs on vertical and feature surfaces. On a bar front or a clad wall the softness never becomes a problem.

Does Mint Onyx etch?

Yes, readily. Onyx is calcite, so any acid dissolves a microscopic layer on contact and leaves a dull mark that no sealer prevents.

Citrus, vinegar, wine, descalers and many cosmetics all do it. On a translucent stone the etch also changes how light passes through, which makes it more visible than on an opaque surface.

Why do onyx slabs have mesh backing?

Because the stone is brittle and the banding creates natural planes of weakness. A bonded fiberglass mesh holds the slab together through transport, fabrication and installation.

It is standard for onyx rather than a sign of poor material. Mesh does affect backlighting, so tell your fabricator early if a panel is to be lit.

Can Mint Onyx be used in a bathroom?

Yes, and it is one of the better uses. The cool green reads fresh against white sanitaryware, and a vanity sees far less abuse than a kitchen counter.

Keep cosmetics, toners and limescale removers off the surface, since all of them etch calcite as readily as citrus does. Seal it when it needs it.

Where can you buy Mint Onyx in the Philippines?

Stone Depot carries Mint Onyx at all five branches: Cebu, Davao, Cagayan de Oro, Iloilo and Sta. Rosa, Laguna. Onyx is indent order, so your slab is brought in for your project rather than held in the yard. Ask your branch about current lead time.

Banding and translucency differ so much between slabs that no photograph is a reliable guide, so tell us what the piece has to do before we order. All branches are open Monday to Saturday, 8 AM to 5 PM, and you can email email@stonedepot.com.

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