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.

Jet Black

Quarry: China
Surface Finish: Polished
Edges: Natural (Unpolished)
Thickness: 18 mm
Requires Sealing: No

Rub acetone on a white cloth across a black slab, and any colour that transfers came from a dye rather than the stone. Jet Black is usually Mongolian Black, much of that trade is treated to disguise uneven colour, and the CDO branch neither stocks nor quotes it.

Quarry	China
Surface Finish	Polished
Edges	Natural (Unpolished)
Thickness	18 mm
Requires Sealing	No

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Why Choose Jet Black

Often Dyed to Hide Gray Much of the Mongolian Black trade gets surface-treated to disguise uneven colour, and paperwork will never reveal it.

Treatment Fades Patchy gray areas appear within a few years on a dyed counter, worst at the sink and along the front edge.

Test It Yourself Acetone on a white cloth. Any colour transfer means the slab has been treated, and undyed granite leaves the cloth clean.

Buy These Instead Absolute Black and Black Galaxy are both stocked at our CDO yard and carry none of the uncertainty.

What Is Jet Black Granite?

A trade name for Mongolian Black, and the reason we do not stock it.

Walk into a yard in CDO asking for Jet Black granite and Mongolian Black is what gets shown to you. That is the real name of the stone, and it comes out of Inner Mongolia in northern China.

Dense, with almost no visible pattern, it delivers the solid blackness most people picture when they think of a black countertop. Like most commercial black granites it sits nearer gabbro than true granite in strict geological terms, though it behaves like granite in every way.

Untreated, it is decent material. The trouble is that a great deal of it is not untreated, and nothing on the paperwork will tell you which is which. Our CDO branch neither stocks this stone nor quotes it.

Why Does the Colour Vary So Much?

Depth of colour varies naturally from slab to slab. The best material is genuinely dark right the way through, while a sizeable proportion carries gray patches or uneven tone.

All of the problem grows out of that variation. Uneven slabs sell at a lower grade, and that is the incentive described below.

There Is Also an Indian Jet Black

A separate Indian stone trades under the same name and is a different material entirely. Because the name is shared, a quotation reading Jet Black tells you nothing about which stone is turning up.

Ask for the quarry region instead of the trade name. The Mongolian and the Indian stones behave differently and are priced differently.

Why Is Mongolian Black Granite Dyed?

Because dye is cheaper than accepting a lower grade.

Uneven colour means a discounted slab, so some suppliers dye or oil the surface rather than take the hit. A treated slab looks premium on the racks, photographs beautifully and gets through casual inspection without difficulty.

None of it lasts. Inside a few years a dyed counter develops patchy gray areas where the colour has worn off, showing worst around the sink and along the front edge where cleaning happens most.

Nor can the damage be repaired. Repolishing takes away more of the treated layer and makes the patching worse instead of better.

Why Stone Depot Does Not Carry It in Cagayan de Oro

The honest answer is that we cannot guarantee what arrives. Dyeing is not detectable by eye, paperwork can say anything, and verifying a container would mean testing every slab one by one.

For a stone whose failure shows up two or three years after installation, that is not a risk worth taking on their behalf. We would rather sell something we can stand behind than something cheaper that we cannot.

How Much Does Jet Black Granite Cost in Cagayan de Oro?

Cheaper than the alternatives, and that is the problem.

Wherever it is sold, Jet Black is usually quoted below Absolute Black by a noticeable margin, which is the entire reason buyers ask for it by name. The CDO branch does not quote it, because we do not stock it.

On an untreated slab the saving is real. The difficulty is that the cheapest material in any yard is the material with the most uneven colour, and uneven colour is precisely what dye exists to hide.

An unusually low quote on black granite is information, not an opportunity. Confidence in the material shows up as a supplier happy to let you test it on the spot.

What the Alternatives Cost in CDO

Absolute Black and Black Galaxy both run ₱4,200 per square meter here. Fabrication and installation each start at ₱500 per linear meter, and cut-outs at ₱500 per set.

Set against a counter that will sit in your kitchen for twenty years, the gap between Jet Black and Absolute Black is small. Set against the cost of replacing a patched counter after three, it disappears.

Where Is Jet Black Granite Used?

The same places as any other black granite, which is part of why the dyeing problem matters so much. None of it sits in our CDO yard, so the list below is what buyers use it for elsewhere.

Kitchen countertops and islands
Bathroom vanity tops
Stair treads and risers
Wall cladding and window sills
Monuments and headstones

Monuments deserve a mention, since treated material causes its most visible trouble there. Weather works on a dyed headstone far faster than a kitchen ever works on a counter.

How Do You Test Black Granite for Dye?

Ten seconds, and it costs nothing.

Wet a White Cloth

A little acetone onto a clean white cloth is all that is needed. Nail polish remover works if it is acetone-based; the gentler acetone-free formulations will not.

Wipe an Inconspicuous Area

Pick a cut edge, or somewhere that will end up under an appliance. A firm wipe is all it takes, and scrubbing is not the point.

Inspect the Cloth

Colour transferring means the slab has been treated. Undyed granite leaves the cloth clean, because its colour runs through the body of the rock rather than sitting on the surface.

Any reputable supplier will let you run this on request. Reluctance tells you what you need to know, and on black granite a price well under the market reads as a warning, not a bargain.

Should You Buy Jet Black Granite?

Not without testing it first.

No. Not unless the acetone test has been run by you, on that slab, with the cloth coming away clean.

Untreated, the stone is not bad material at all. The difficulty is that treated and untreated slabs look identical at the point of sale, and the consequence only surfaces years later, when the colour starts patching around the sink.

Test the actual slab, watch it pass, and what you have is a competent dark granite at a keen price. Refused the test, walk away.

For most buyers the simpler answer is to pick a stone where the problem never arises at all.

What Should You Buy Instead of Jet Black Granite in Cagayan de Oro?

Prices are subject to change without prior notice.

Stone	Starting Rates
Absolute Black, the closest match	₱4,200 per sqm
Black Galaxy, for bronze flecking	₱4,200 per sqm
Fabrication and installation	₱500 per lm each
Sink or hob cut-outs	₱500 per set

Cut-outs are billed only where the fitting is ours as well. Delivery is worked out from the distance to the Cagayan de Oro branch, and a job further into Northern Mindanao is costed the same way.

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What Are the Small Pits in Mongolian Black Granite?

A characteristic of the stone, not a manufacturing fault.

Pinholes, tiny surface pits, occur naturally in Mongolian Black, left behind by gas escaping as the rock cooled. They belong to the stone itself rather than arriving during processing.

Most slabs get resin-filled during fabrication for a smoother surface. That is standard practice across the dark granites and it does not weaken the material, though some pits stay visible under raking light.

Absolute Black carries noticeably fewer of them, which is one of the things separating the two.

How Do You Care for a Black Granite Countertop?

Three habits, whichever black stone your kitchen ends up with.

Skip the Sealer

Dense black granites do not want one, and applying it leaves a hazy film that dulls the polish you paid for. Absolute Black and Black Galaxy both fall into that group.

Use Only Granite Cleaner

Dish soap builds up over repeated use and leaves a haze that gradually flattens the finish. Steer clear of abrasive powders, bleach and anything acidic such as vinegar or calamansi.

Always Keep the Surface Dry

Standing water is what spots a dark polish, and drying the surface fully removes the problem. For hard water deposits around a faucet, a razor blade held flat lifts them without scratching.

Granite cleaners are stocked at our CDO yard, so pick one up when you collect your slab, or browse the wider stone care range.

What Colours Go With a Black Granite Countertop?

The guidance is the same across every solid black stone.

White cabinetry is the classic pairing and still the strongest. Contrast comes up crisp and graphic, suiting modern minimalism and the traditional Kagay-anon kitchen with shaker-style doors alike.

For warmth, mid-tone timber does well, oak and walnut in particular. Gray cabinetry in the lighter tones gives a softer, more contemporary result.

Fixtures are flexible. Chrome and stainless read clean and modern, where brass and bronze warm a kitchen considerably.

Keep the backsplash plain. A solid black counter already carries plenty of visual weight without a patterned tile arguing with it.

Frequently Asked Questions

Is Jet Black granite the same as Mongolian Black?

Yes. One is the trade name, the other the material, quarried in Inner Mongolia in northern China, and suppliers swap the two words freely.

When you compare quotations, ask which quarry region a slab came from. Trade names follow no standard and reveal nothing dependable about origin.

Is there an Indian Jet Black granite?

Yes, and it is a completely different stone that merely shares the label. Nobody should buy off a quotation saying only Jet Black, and this clash is why.

Density, pinhole count and price all separate the Indian material from the Mongolian one. Establish which a supplier means before setting their figure beside anybody else’s.

What is the difference between Jet Black and Black Galaxy?

Jet Black goes for solid, unbroken black, where Black Galaxy is a dense Indian granite carrying bronze flecks that pick up the light and change with your angle.

Reliability differs as well. Black Galaxy comes from a single quarry region with consistent grading, at ₱4,200 per sqm in CDO, where Mongolian Black varies enough that some of it gets dyed to hide the variation.

What are the main types of black granite?

Four names recur. India supplies Absolute Black, uniform and solid, and Black Galaxy with its bronze flecking; China supplies Shanxi Black, the deepest of the group, and Mongolian Black, the budget option sold as Jet Black.

Only the first two are carried at our CDO yard, and both are dense enough to skip sealing entirely. Between those two the practical difference is appearance rather than performance.

Does black granite need sealing?

No, not the dense ones. Absolute Black and Black Galaxy are both tight enough that liquids cannot penetrate under normal kitchen conditions.

Sealing them anyway is counterproductive, since the product has nowhere to soak into and dries to a hazy film over the polish.

Can black granite be used for stairs and outdoors?

Yes. Granite is UV-stable, so it will neither yellow nor fade in full sun, which suits stair treads, lanais and pool surrounds where engineered quartz would discolour.

Choose a leathered or flamed surface for anything underfoot. A polished face turns slippery when wet, and the texture also hides the scuffing that stair nosings collect.

Is Jet Black granite cheaper than Absolute Black?

Usually, wherever it is sold, and that gap is the whole appeal. It is also what drives the dyeing, since the slabs priced lowest are the ones carrying the most uneven colour to conceal.

Read a black granite priced well under the market as a warning rather than a bargain. Run the acetone test before deciding the saving is genuine, and remember that CDO does not quote this stone at all.

Where can you buy black granite in Cagayan de Oro?

Stone Depot, from the Cagayan de Oro yard. Absolute Black and Black Galaxy are both on the floor there, and Jet Black is not stocked, for the reasons set out above.

Bring acetone and a white cloth if you want to test any slab in our CDO yard; we would rather you did, since it is the fastest way to show that what we stock is untreated. The yard is open Monday to Saturday, 8 AM to 5 PM, or email email@stonedepot.com, and the rest of the granite range in CDO is on the same floor.

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