In2stone
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White Onyx Marble

Marble

White Onyx

25+ Years Experience
1,500+ Projects Completed
4.9 from 100+ Reviews
Free No-Obligation Quote

Full Service — Installation

Our marble range is available with full supply, templating, fabrication and installation across Portsmouth, Fareham, Gosport, Havant, Waterlooville, Chichester, Southampton and the surrounding area, with our services extending to Hampshire, Sussex, Surrey, Dorset and Berkshire . The reach of our installation service depends on the type of project — contact us to discuss your requirements.

Supply & Fabrication — UK Wide

Outside our installation area? We can fabricate marble to your supplied template, or supply the stone directly as-is — anywhere in the UK . Learn more .

The Stone

See the natural beauty of White Onyx up close — the surface texture, colour depth, and veining that make this marble unique.

From the heart of Pakistan's Balochistan region, White Onyx is a stone of pure luminous beauty, where subtle cloudy formations and delicate ivory veins drift across a magnificently translucent, ethereal white canvas.

White Onyx is an exceptionally luxurious stone that immediately captivates with its incredibly luminous and magnificently translucent pure white to pale creamy-white background. The spectacularly flawless, profoundly deep surface is elegantly characterized by incredibly subtle, softly glowing cloudy formations that drift across its expanse. Complementing this ethereal quality are delicate, widely dispersed warm ivory veins, adding a touch of gentle artistry. This stone’s fabulously ethereal nature and vivid backlit potential make it an ultimate choice for truly magnificent and extraordinarily opulent bespoke installations, creating an unparalleled sense of light and space in any home.

This breathtaking stone originates from the rugged and beautiful region of Balochistan, Pakistan, where it is carefully quarried. As a form of Marble, White Onyx is a metamorphic rock, born from ancient limestone or dolostone under immense heat and pressure deep within the earth's crust. This geological transformation causes calcite crystals to recrystallize, resulting in the dense, interlocking mosaic that gives marble its characteristic texture and, in this case, its remarkable translucency. The unique mineral composition and specific geological conditions in Balochistan are what give this particular marble its pure white foundation and distinctive, subtle veining.

At In2Stone, we see White Onyx as an exceptional choice for those looking to create truly magnificent statements, especially where its remarkable translucency can be harnessed for backlit applications like feature walls, kitchen islands, or grand bathroom vanities. While marble is a softer stone than granite or quartzite, with a Mohs hardness of 3-5, its enduring beauty makes it a timeless investment. We advise mindful use in kitchens, regular sealing to protect its surface, and prompt cleaning of acidic spills to prevent etching. Our passion lies in crafting bespoke installations, ensuring every join and edge highlights the inherent beauty of this stone with precision and care, delivering luxury results with honest pricing.

Performance

How This Stone Performs

Hardness

2 out of 5

Stain Resistance

2 out of 5

UV Resistance

4 out of 5

Heat Resistance

4 out of 5

Scratch Resistance

2 out of 5

Interested in White Onyx?

Love this stone?

Get a free, no-obligation quote for White Onyx marble. From template to installation, In2stone handles everything — so you can enjoy your new surface without the stress.

White Onyx Marble slab

Frequently Asked

Questions About White Onyx

What gives White Onyx its unique luminous and translucent appearance?
White Onyx is distinguished by its incredibly luminous and magnificently translucent pure white to pale creamy-white background. This ethereal quality, combined with incredibly subtle, softly glowing cloudy formations and delicate, widely dispersed warm ivory veins, gives it a unique depth and character, especially when backlit.
What design styles or applications best suit White Onyx?
Its luxurious, ethereal character and backlit potential make White Onyx ideal for opulent, high-end designs. It's magnificent for feature walls, grand kitchen islands, or bathroom vanities, especially when illuminated to highlight its translucency. It pairs beautifully with minimalist, contemporary, or classic luxurious interiors, complementing both metallic and natural wood accents.
How durable is White Onyx Marble for daily use, and what care does it require?
As a marble, White Onyx has a Mohs hardness of 3-5, making it softer than granite or quartzite and susceptible to scratching from sharp objects. It's also porous and highly sensitive to acids, which can etch its surface. We recommend regular professional sealing, using chopping boards, and promptly wiping acidic spills to maintain its pristine condition.
Where does In2Stone source its White Onyx, and how is it formed?
Our White Onyx is sourced from the beautiful region of Balochistan, Pakistan. Geologically, it's a metamorphic rock, formed when limestone or dolostone undergoes intense heat and pressure, causing its calcite crystals to recrystallize into a dense, translucent material. This natural process gives it its distinct purity and subtle internal patterns.
How does White Onyx Marble compare to other worktop materials, particularly regarding its premium status?
White Onyx Marble stands out due to its unique translucency, luminous appearance, and subtle patterns, offering an aesthetic depth unmatched by engineered alternatives like quartz. While quartz and granite offer greater hardness and stain resistance, White Onyx provides unparalleled natural luxury and a semi-precious feel, reflecting its premium status and bespoke installation requirements.
★★★★★
"Perfect. 1) Ian. What a nice chap. Very helpful, friendly, knowledgeable. Got me the marble I wanted. 2) Scott came to template. Clearly attentive to detail, accurate work; it's a perfect fit. 3) Kev and Gav came to fit. Very accommodating. Worked cheerfully around obstacles I had thrown in their path. Efficient, and respected my just cleaned new kitchen. All round blooming marvellous. I got exactly what I wanted. ( these guys listen to their customer) Look no further. Engage In 2 Stone!"
— Dawn GalleryGoogle Review

Why Choose Us

Why In2stone

Invisible Joins & Ogee Edging

The edge profiles and seamless joins other suppliers say they can't do? We do them every week.

"Other quartz suppliers weren't able to offer the ogee edging I wanted — In2stone could."

Olivia Tett

The Quote Is the Price

No hidden costs, no surprises. We consistently beat competitor quotes — even online discounters decline to match us.

"Beat 6 other companies by a mile. Even an online company that claims to beat any quote declined to."

Dean Fitzpatrick

Ian Answers the Phone

No answering machines or sales scripts. You'll speak to the people who'll actually work on your project.

"Ian always answered the phone or called me back — and that was before we even decided to use him."

Carly Rielly