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We are a leading manufacturer and supplier of Gray onyx slabs. We offer various slabs in different sizes, shapes, and finishes. Our Gray onyx slabs are perfect for luxury home interiors and can be used for multiple applications, including countertops, backsplashes, flooring, and vanity tops. Gray onyx slabs are ideal for homeowners, interior designers, and architects who want to create a unique and stylish home interior.

Other popular names of Gray Onyx: Silver Onyx, Stormy Onyx, Cloud Onyx, Ashen Onyx and Slate Onyx.

Gray Onyx Slabs: The Perfect Choice for Luxury Home Interiors

Gray onyx slabs are natural stones with distinctive appearance and characteristics. They have a Gray background with white, black, and brown veins, creating a beautiful contrast and pattern. Gray onyx slabs are translucent, allowing light to pass through them, creating a stunning effect when backlit. Gray onyx slabs are also durable, easy to maintain, and resistant to stains and scratches.

Gray Onyx Slab 1
Gray Onyx Slab 1
Gray Onyx Slab 2
Gray Onyx Slab 2
Gray Onyx Slab 3
Gray Onyx Slab 3
Gray Onyx Slab 4
Gray Onyx Slab 4
Gray Onyx Slab 5
Gray Onyx Slab 5
Gray Onyx Slab 6
Gray Onyx Slab 6

Gray Onyx Forms Of Supply

  • Gray Onyx Slabs
  • Gray Onyx Tiles
  • Gray Onyx Slab Furniture
  • Gray Onyx Countertop Prefabs
  • Gray Onyx Slabs with Backlighting
  • Gray Onyx Backsplash Panels
  • Gray Onyx Tabletops
  • Gray Onyx Wall Panels
  • Gray Onyx Flooring Prefabs
  • Gray Onyx Sill and Threshold Pieces
  • Gray Onyx Blocks

Sizes and Specifications of Gray Onyx

Slab Sizes in Inches

Minimum 12″ x 12″ and Maximum 120″ x 70″

Slab Sizes in Cm

Minimum 30 x 30 cm and Maximum 300 x 180 cm

Tile Sizes in Inches

12″ x 12″, 12″ x 24″, 24″ x 24″, 24″ x 48″ and any custom sizes

Tile Sizes in CM

30 x 30 cm, 30 x 60 cm, 60 x 60 cm, 60 x 120 cm and any custom sizes

Thickness of slabs and tiles in MM

10mm, 15mm, 20mm, 30mm and any custom thickness

Custom Cut to Sizes

Yes, Available in any custom cut to size as preferred

Pre-Fabrication and Cutouts

Possible any kind of custom cutouts, pre fabrication ready to install

Country Of Origin

Turkey, Iran and India


Translucent Backlit

Surface Finishes

Polished, Honed, Matte anti slip

Edge Finishes

Square Cut, Bullnosed, Moulded

Price Range

USD 36/SF to USD 90/SF Ex-Factory Including packing


Interior Designs, Countertops, Backsplash, Wall Cladding, Flooring, Backlit Features, Tabletops, Bathroom Design, Fireplace Surrounds, Staircases, Artistic Installations and various other luxury design applications.

Gray Onyx Reception Countertop
Gray Onyx Reception Countertop


Residential Interior Design

Commercial Interior Design

Hospitality and Hotels

Restaurants and Bars

Retail Stores and Boutiques

Offices/Corporate Spaces

Art Galleries

Spa and Wellness Centers

Luxury Real Estate


Outdoor Living Spaces

Landscape Design

Gray Onyx Blocks

Gray Onyx Block 1
Gray Onyx Block 1
Gray Onyx Block 2
Gray Onyx Block 2
Gray Onyx Block 3
Gray Onyx Block 3

Contact Us For More Information

If you want to buy Gray onyx slabs from us, please fill out our contact form and send us your inquiry. We will get back to you with more details and a quote soon. You can also call us or email us if you have any questions. We are always happy to assist and provide the best service possible.

Get A Quote For Gray Onyx Slab

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Frequently Asked Questions

Gray onyx is a natural stone formed when silica and carbonate minerals are deposited over time. It is known for its translucent and iridescent qualities.

The cost of Gray onyx slabs varies depending on the size, shape, and quality. However, Gray onyx slabs are still relatively affordable; The average price range is between USD 36 to USD 90 per square foot ex-factory. However, at Sia Stones, we offer the best sale prices for top-quality slabs compared to the market. You can contact us for a free quote.

Yes, Gray Onyx Slabs are versatile and can enhance the ambiance of homes, offices, hotels, and more.

At Sia Stones, we have Brazilian Gray Onyx, Indian Gray Onyx, Moroccan Gray Onyx and Iranian Gray Onyx.

Yes, at Sia Stones, we offer customization options to tailor Gray Onyx slabs to your design preferences.