In2stone
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Sky Blue Onyx

Onyx

Sky Blue

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

Full Service — Installation

Our onyx 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 onyx to your supplied template, or supply the stone directly as-is — anywhere in the UK . Learn more .

The Stone

See the natural beauty of Sky Blue up close — the surface texture, colour depth, and veining that make this onyx unique.

Style:

Exotic Swirled Polished

Otherworldly powder-blue and lavender float through this impossibly rare onyx — a dreamscape of translucent sky captured in stone.

Sky Blue Onyx is the rarest and most ethereal of all onyx varieties: soft powder-blue and pale lavender tones drift across the polished surface in cloud-like translucent formations, threaded with delicate golden-amber veins and wisps of white crystalline deposits that evoke the serenity of a clear dawn sky. This is a stone that transcends conventional interior design — it creates atmosphere. The dreamlike, sky-inspired quality of the surface produces an instinctive emotional response in anyone who encounters it, a sense of calm and wonder that no manufactured material can replicate. When backlit, Sky Blue Onyx achieves its ultimate expression: the blue and lavender tones glow with a cool, celestial radiance while the golden veins add unexpected warmth, creating a surface that genuinely appears to contain captured sky. Quarried in limited quantities in Iran and Afghanistan, genuine Sky Blue Onyx is among the most valuable decorative stones in existence. In2stone considers each Sky Blue Onyx commission a privilege, and our master craftsmen apply their most meticulous attention to every stage of fabrication, understanding that this is a once-in-a-lifetime stone for most clients.

Performance

How This Stone Performs

Hardness

2 out of 5

Stain Resistance

2 out of 5

UV Resistance

3 out of 5

Heat Resistance

3 out of 5

Scratch Resistance

2 out of 5

Interested in Sky Blue?

Love this stone?

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

Sky Blue Onyx slab

Frequently Asked

Questions About Sky Blue

Why is Sky Blue Onyx so rare?
Blue pigmentation in natural stone requires very specific mineral conditions — trace amounts of copper and cobalt must be present during the calcite deposition process in exactly the right concentrations. These conditions occur in only a handful of quarries in Iran and Afghanistan, and even within those quarries, genuinely blue slabs represent a small fraction of production. It is among the rarest decorative stones on earth.
What makes the golden veins in Sky Blue Onyx?
The golden-amber veins are created by iron oxide deposits within fractures in the calcite. These veins provide a beautiful warm counterpoint to the cool blue-lavender base, preventing the stone from feeling cold and adding visual complexity. The contrast between the warm gold and cool blue is one of the most captivating aspects of this stone.
How does Sky Blue Onyx look when backlit?
Backlit Sky Blue Onyx is widely considered one of the most breathtaking effects achievable with any natural material. The blue and lavender tones glow with a cool, celestial luminosity, the golden veins warm softly, and the white crystalline deposits become brilliantly luminous. The overall effect resembles illuminated sky — calm, ethereal, and profoundly beautiful.
What is the price range for Sky Blue Onyx?
Sky Blue Onyx commands the very highest pricing in the onyx spectrum — ultra-premium, reflecting its extreme rarity and incomparable beauty. Each project is priced individually based on the specific slab selected, its size, translucency quality, and colour intensity. We recommend contacting In2stone directly for a consultation.
Can Sky Blue Onyx be used in a bathroom?
A bathroom is arguably the perfect setting. The calming blue-lavender tones create an instant spa atmosphere, the lower-impact environment is gentler on the soft calcite surface, and a backlit Sky Blue Onyx vanity or shower wall becomes the defining feature of a truly extraordinary bathroom. Many of our clients choose this stone specifically for master bathroom installations.
★★★★★
"Excellent Service and Beautiful Results - Highly Recommended! I recently had In2stone install new quartz worktops in my kitchen, and I couldn't be happier with the results. From start to finish, the experience was completely stress-free. The team was not only competitively priced but also incredibly friendly and professional throughout the entire process. They handled everything seamlessly - removing the existing sink, hob, and old laminate worktops before fitting the new quartz surfaces. The finished worktops are absolutely beautiful and have transformed my kitchen into a modern, minimalist space that I love spending time in. The quality of workmanship is outstanding, and the attention to detail really shows. I'm a very satisfied customer and would highly recommend In2stone to anyone considering new worktops. Well done to the entire team - you've exceeded my expectations!"
— Ashley ChapmanGoogle 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