Grey Onyx Marble is an exotic, dramatically contrasting translucent stone featuring an icy, brecciated base of smoky grey and white web-like patterns, snaked by shocking, winding veins of warm gold and copper. Perfectly suited for book-matched feature walls, backlit receptions, and ultra-luxury decorative installations.
| Parameter | Description |
| Grey Onyx Marble Rough Block | Gangsaw: 280-330 x 160-220 x 100-150 CM Cutter: 160-300 x 60-100 x 60-100 CM |
| Grey Onyx Marble Gangsaw Slab | 280 x 180 CM up in 2, 3 CM, and other thicknesses |
| Grey Onyx Marble Cutter Slab | 180 x 60 CM up in 2, 3 CM, and other thicknesses |
| Grey Onyx Marble Parameter | |
| Tiles | 30×30, 30×60, 40×40, 60×40, 60×60, 60 x 90, 60×120 CM in various thicknesses and custom sizes |
| Countertops | Custom sizes |
| Others | Window sills, thresholds, monuments, steps & treads, flagstones, & articles available in custom sizes |
| Finishes | Polished, honed, leathered, bush hammered, lepatora, flamed, shotblasted |
| Place of Origin | Exotic Imported Variety |
| Standard Slab Thickness | 16 mm, 18 mm, 20 mm (other thicknesses available upon request) |
| Applications | Backlit Walls, Bathroom Vanities, Reception Counters, Interior Wall Cladding |
| Key Properties | High Translucency, Striking Banded Patterns, Stain Resistant (when sealed), Low Water Absorption |
| Maintenance | Regular cleaning with mild, pH-neutral soap; Bi-annual sealing recommended |
| Benefits | Highly exclusive aesthetic, excellent light transmission, elevates property value, focal point creation |
Grey Onyx Marble (as showcased in our premium inventory image) is a breathtaking, highly complex natural stone. It is not merely grey; it is a geologically fascinating, brecciated formation. The stone features a base of cool, smoky grey and glacier white tones resembling shifting ice. This matrix is covered in an intricate network of angular, web-like white fracture lines.
The true definition of opulence lies in the prominent, winding “rivers” of warm gold, amber, and copper-colored mineral veins that snake across the slab. This interplay between the cold grey matrix and the fiery golden veins creates unparalleled dramatic movement.
Formed through volcanic mineral layering over millions of years, this exotic stone possesses incredible translucency. When backlit, the smoky grey areas soften, and the gold veins ignite, transforming a solid surface into a glowing architectural masterpiece.
As a premium, imported exotic onyx with distinctive golden veining, Grey Onyx is a high-ticket luxury item. The price fluctuates based on the clarity of the brecciated pattern, the intensity of the gold veins, and overall translucent quality.
Starting Price: ₹380/sqft or USD 45/m² for polished cutter slabs.
Note: Prices fluctuate based on specific project requirements and export logistics. Contact us for customized, direct-from-manufacturer B2B quotes.
Due to its vivid brecciated pattern and high luminosity, Grey Onyx Marble is best utilized as a dramatic focal point where both light and pattern can dominate the space. Recommended applications include:
Backlit Feature Walls: Crucial application to maximize translucency and highlight the gold veins.
Signature Reception Desks: Define corporate luxury hospitality.
Boutique Retail Display Accents: Enhance high-end product presentation.
Luxury Bathroom Vanities and Backlit Panels: Create a private spa oasis.
Bar Fronts and Hospitality Accents: Atmospheric commercial designs.
Custom Furniture: (e.g., backlit dining or coffee tables with metal bases).
Grey Onyx is a calcareous stone and is softer than true marble or granite; it requires mindful care to preserve its high-gloss finish and translucent properties:
Handle gently: Prone to cracking along natural fracture lines if not handled correctly.
Clean delicately: Use only a soft, damp microfiber cloth and pH-neutral stone cleaners.
Strictly avoid acids: Citric acids, vinegar, and chemical cleaners will etch the polished surface instantly.
Apply penetrating sealer: Annual or bi-annual sealing is essential to protect the surface against moisture and stain absorption.
The defining aesthetic is the juxtaposition of cool and warm. A smoky grey and white brecciated matrix snaked by prominent, winding rivers of dramatic gold, rust, and copper-colored veins.
Yes, it is one of the most highly coveted stones in the luxury market. It offers a unique softness and warmth that standard white or green marbles cannot provide. It is perfect for creating an exclusive, high-ticket atmosphere in hospitality and luxury residential projects.
Finishes: High Gloss Polished, Honed.
Standard Thickness: 16mm, 18mm, and 20mm. Thinner profiles are often requested specifically for weight reduction in complex backlit wall installations.
While it provides reasonable heat and stain resistance when sealed, it is a softer stone (Mohs scale 3). It is susceptible to scratching and etching, making it far better suited for vertical cladding, decorative surfaces, and backlit features rather than heavy-use kitchen worktops or high-traffic residential flooring.
Grey Onyx Marble offers an architectural statement that cannot be replicated by synthetic materials. It is the ultimate expression of exclusivity, bringing the untamed power of nature—glacier ice and fiery gold—directly into luxury spaces. The ability to backlight this stone creates dynamic, moving light installations that define high-ticket real estate.
Petros® Stone LLP is a premier B2B manufacturer and global exporter of exotic natural stones, specializing in premium-grade Grey Onyx Marble.
With state-of-the-art technology, strict quality control, and worldwide shipping, we ensure the best marble products for your needs. Our ISO-certified facility guarantees superior packaging and reliable delivery.
Grey Onyx Marble is predominantly quarried in the mineral-rich geological belts of Iran and Turkey. It is formed over thousands of years in hot springs and limestone caves, where mineral deposits slowly build up to create its elegant, translucent grey and white banding.
We accommodate a wide range of project sizes. However, to optimize international shipping costs, we highly recommend a full container load (FCL) of a 20′ container (28,000 kgs). A 20′ container typically accommodates:
450 sqm of Grey Onyx Marble (2cm thickness)
300 sqm of Grey Onyx Marble (3cm thickness)
Source authentic, premium-grade Grey Onyx Marble directly from Petros® Stone LLP. We offer direct-from-manufacturer B2B consultation, global export logistics, and highly competitive pricing. Trusted by leading architects and builders, Petros® is your source for exotic interior mastery.
IEC NO: AAYFP7460M
Petros Stone LLP (India)
Sr.25, Handewadi Rd, Kanade Nagar, Undri, Pune, Maharashtra 411060
Petros Stone LLP (Europe)
Berneckstr. 43 78713, Schramberg, Germany
Petros Stone LLP (Canada)
4388 rue Saint-Denis, suite 200 #982, Montreal, H2J 2L1,QC (post code), Canada
