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Taj Mahal Quartzite Physical Properties: What the Numbers Actually Guarantee
Water absorption, flexural strength, quartz content. We collected what the trade publishes about this stone's physical performance and explain what each number means for the job in front of you.
Shared Originally published by Compiled from published supplier technical data
Every stone supplier will hand you a data sheet. Most data sheets are written to be compliant rather than to be useful, so they end up looking identical no matter which stone you are actually asking about. That is not a way to choose a material.
Below is what the trade is currently publishing about Taj Mahal Quartzite, quoted in full with the source named, followed by what each figure means in practice — including the one number that decides whether a 20 mm slab needs a steel support or can stand on its own.
The four numbers that decide where this stone works
Quartz content and hardness tell you how the surface behaves. Flexural strength tells you whether it can span. Water absorption tells you how it reacts to water and, more importantly, how much sealing it needs. Density and compressive strength tell you how heavy it is and how it handles load.
None of these numbers on their own make a stone good or bad. They tell you where it belongs, and more usefully, where it does not.
What the trade is currently publishing
These figures are quoted from suppliers and fabricators currently selling this stone, with links so you can read them in context.
The number that decides your countertop design
This is the practical one. Flexural strength of roughly 15.8 MPa is the figure that tells a fabricator a 20 mm slab can span a normal kitchen cabinet run without steel reinforcement. That is why this stone appears in kitchens where a softer material would need support, and why it is chosen for overhangs and cantilevered islands where the client does not want a visible support line.
It is also the number to check before you plan an unusually long span. A long or unsupported run still needs engineering, and a fabricator who quotes you the flexural figure without asking about your span is not asking the right question.
Water absorption and what it means for sealing
At roughly 0.14% water absorption, this is a low-absorption stone by natural-stone standards. That is what makes it workable in a kitchen: it resists staining and does not drink oil or colour the way a porous stone does.
It is not non-porous, and anyone who tells you a natural quartzite needs no sealing is overselling it. Low absorption means sealing is easier and less frequent, not that it is unnecessary. If your fabricator skips the sealer on an unpolished or honed finish, ask why.
How we verify the slab before it ships
Published data describes the stone in general. The slab that arrives is a different question, and it is the one that decides whether you are happy.
Before a container is sealed we check each slab for fissures, cracks, rust infiltration, and the greenish or brownish banding that impurities can produce in this stone. Those bands are not a defect exactly, but they change the look of a run, and on a large installation they need to be laid out deliberately rather than discovered on site.
How to get our figures for your project
Send us a thickness, a size, a quantity and a destination. You will get an FOB quotation against actual stock, and we will tell you the physical data for the specific lot rather than the generic sheet, usually within three working days and with no obligation on a first shipment.
What the trade is currently saying
These are the figures other suppliers and fabricators are publishing right now. We list them with their source so you can see where each number comes from, and so the people who published them can see they were used honestly.
- The stone is made up of 99 percent quartz crystals, which is one of the hardest minerals on Earth, and the slabs are smoother and more compact because of how tightly those crystals sit together. — Ultra Stones, New York Read the original
- Because of the long metamorphism, Taj Mahal is stronger and more durable than granite, and its surface is naturally resistant to stains, scratches and high temperatures. — Ultra Stones, New York Read the original
- It does not etch from acidic substances such as lemon, vinegar or wine, so cooking and dining spills can be wiped up without worrying about damaging the surface. — Ultra Stones, New York Read the original
- Some Taj Mahal develops greenish or brownish bands or patches as a result of impurities or chemical reactions during formation, which spoils its signature off-white look; careful buyers select stock with consistent colour and pattern distribution. — Ultra Stones, New York Read the original
- Quartzite forms through the metamorphism of quartz-rich sandstone; the stone has completed its rock cycle, which is why it is classified as a true quartzite. — Ultra Stones, New York Read the original
Where to go next
Questions this article answers
Who does Taj Mahal Quartzite sell to?
We supply importers, stone distributors, fabricators, quarries and project developers who buy Taj Mahal Quartzite in slabs, tiles or cut-to-size pieces. We work on the China side: the stone is bought from the mine, processed in Shuitou or Yunfu, inspected before loading and shipped FOB.
What is the minimum order quantity?
One mixed container for a first order. There is no per-piece minimum, and slab quantities can be split across a book-matched pair or an offcut depending on the job.
What thickness and finish are available?
Slabs are typically 18 mm and 20 mm, with 15 mm and 30 mm available. Common finishes are honed, polished, flamed, brushed, sandblasted and leathered. Tiles are produced in standard and large formats.
How long does production take?
Seven to fifteen working days after the deposit, depending on the form and finish. Cutting, edge profiling and surface treatment are the steps that set the pace, not the stone itself.
Which ports do you ship from?
Xiamen, Quanzhou, Ningbo and Shanghai. We quote FOB to the port you nominate and compare forwarders before booking.
Do you publish a price list?
No. Natural stone moves with the block, the grade, the finish and the market, so a number printed on a website is out of date by the time it is read. Send us the form, thickness, finish, size and quantity and we quote FOB in writing against that specification.
Can we get a sample before ordering?
Yes. We cut a sample from the same block as your order - an A4 hand sample, a book-matched pair or an offcut - and ship it by courier. There is no obligation to order afterwards.
Questions this article answers
Who does Taj Mahal Quartzite sell to?
We supply importers, stone distributors, fabricators, quarries and project developers who buy Taj Mahal Quartzite in slabs, tiles or cut-to-size pieces. We work on the China side: the stone is bought from the mine, processed in Shuitou or Yunfu, inspected before loading and shipped FOB.
What is the minimum order quantity?
One mixed container for a first order. There is no per-piece minimum, and slab quantities can be split across a book-matched pair or an offcut depending on the job.
What thickness and finish are available?
Slabs are typically 18 mm and 20 mm, with 15 mm and 30 mm available. Common finishes are honed, polished, flamed, brushed, sandblasted and leathered. Tiles are produced in standard and large formats.
How long does production take?
Seven to fifteen working days after the deposit, depending on the form and finish. Cutting, edge profiling and surface treatment are the steps that set the pace, not the stone itself.
Which ports do you ship from?
Xiamen, Quanzhou, Ningbo and Shanghai. We quote FOB to the port you nominate and compare forwarders before booking.
Do you publish a price list?
No. Natural stone moves with the block, the grade, the finish and the market, so a number printed on a website is out of date by the time it is read. Send us the form, thickness, finish, size and quantity and we quote FOB in writing against that specification.
Can we get a sample before ordering?
Yes. We cut a sample from the same block as your order - an A4 hand sample, a book-matched pair or an offcut - and ship it by courier. There is no obligation to order afterwards.
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