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Green Onyx Marble Slab - Translucent Iranian Onyx for Backlit Feature Walls

Iranian Green Onyx is a translucent natural onyx prized for its vivid green base, dynamic veining, and unique ability to transmit light. Unlike marble or limestone, onyx allows LED backlighting to pass through the slab, revealing depth and colour shifts that transform a wall, bar front, or reception desk into a luminous focal point. Apexstone supplies full-size Green Onyx slabs cut from select Iranian quarry blocks, polished to maximise translucency, for luxury residential, hospitality, and commercial interior projects worldwide.

Green Onyx full slab showing translucent green base with natural veining

Green Onyx full slab - vivid green base with dynamic veining, polished for maximum translucency.

What Makes Onyx Different from Marble?

Onyx is a cryptocrystalline quartz-family stone formed in mineral springs, giving it a denser, more uniform structure than marble or limestone. Its defining characteristic is translucency: light passes through the slab at thicknesses of 10-20 mm (3/8-3/4 inch), making it the only natural stone suitable for backlit installations. Green Onyx from Iran is among the most sought-after varieties, with a saturated green body colour ranging from deep forest to bright emerald, crossed by white, gold, and brown vein bands that create natural landscape-like patterns.

Onyx typically has a density of 2.5-2.7 g/cm³, water absorption below 0.5%, and Mohs hardness of 6-7, placing it harder than marble (3-4) and comparable to granite. This density, combined with its fine grain, allows onyx to accept a high-gloss polish that maximises both surface reflectivity and light transmission.

Green Onyx accent wall installation showing backlit translucent effect

Green Onyx accent wall - the translucent quality allows backlighting to reveal the stone's depth.

Backlit Feature Wall Applications

The primary application for Green Onyx slabs is the backlit feature wall. When LED panels are mounted behind thin onyx panels (10-15 mm / 3/8-5/8 inch thickness), the stone glows from within, creating a warm, immersive ambience that no other material can replicate. Common installations include hotel lobby reception walls, restaurant and bar feature walls, living room accent walls, master bedroom headboard walls, and spa or wellness centre partition screens.

Green Onyx accent wall detail showing vein pattern

Accent wall detail - the vein bands create a natural landscape effect when backlit.

Green Onyx accent wall design inspiration

Accent wall design reference showing the translucent green onyx in a feature wall setting.

Bar Tops and Reception Desks

Beyond feature walls, Green Onyx slabs are fabricated into bar tops, reception desk surfaces, and counter fronts where the backlit effect creates a dramatic hospitality moment. The slab is cut to size on CNC bridge saws, edge-profiled (eased, beveled, or bullnose), and polished on both faces so the backlighting transmits evenly. Bar tops in 20 mm (3/4 inch) thickness provide sufficient structural integrity while maintaining translucency.

Green Onyx bar top - the translucent surface is ideal for backlit hospitality counters.

Mosaic and Tile Formats

For decorative wall surfaces, Green Onyx is also cut into mosaic tiles and 3D textured panels. Herringbone, hexagon, basketweave, and cubic 3D mosaic formats create intricate wall cladding patterns that catch light at different angles. These smaller formats are ideal for powder room accent walls, shower feature panels, and niche surrounds where full slabs are impractical.

Green Onyx 3D mosaic tiles for decorative wall cladding.

Hexagon mosaic format in Green Onyx.

Slab Cutting and Processing

Each Green Onyx slab is cut from select Iranian quarry blocks using gang-saw technology with chilled water and steel shot abrasive. The slabs are then dried, inspected for fractures and colour consistency, and processed through polishing lines to achieve a high-gloss finish that maximises translucency. For backlit applications, slabs can be calibrated to 10 mm (3/8 inch) or 15 mm (5/8 inch) thickness to optimise light transmission without sacrificing structural integrity.

Green Onyx slab cutting on CNC bridge saw for custom panel dimensions.

Why Choose Apexstone for Green Onyx?

Apexstone has supplied natural onyx to projects in 42 countries since 2002. Our Iranian Green Onyx slabs are sourced directly from select quarry partners, inspected block-by-block for colour saturation, vein pattern, and translucency. Each slab is processed in our Xiamen facility with gang-saw cutting, calibrated thickness, and high-gloss polishing. We provide CAD pre-visualisation, custom panel sizing, edge profiling, and global logistics coordination including container loading and documentation for B2B importers.

Available slab sizes up to 3000 x 1800 mm (118 x 71 inch). Thickness options: 10 mm (3/8 inch) for maximum translucency, 15 mm (5/8 inch) for backlit panels, 18 mm (3/4 inch) for standard applications, and 20 mm (3/4 inch) for bar tops and countertops. Polished finish standard; honed finish available on request.

Contact us for slab availability, current pricing, and project-specific customisation. Minimum order quantities and lead times vary by slab size and finish selection.

1f:T1e6d,

Green Onyx Marble Slab - Translucent Iranian Onyx for Backlit Feature Walls

Green Onyx full slab - vivid green base with dynamic veining, polished for maximum translucency.

What Makes Onyx Different from Marble?

Green Onyx accent wall - the translucent quality allows backlighting to reveal the stone's depth.pth.

Backlit Feature Wall Applications

Accent wall detail - the vein bands create a natural landscape effect when backlit.

Accent wall design reference showing the translucent green onyx in a feature wall setting.

Bar Tops and Reception Desks

Green Onyx bar top - the translucent surface is ideal for backlit hospitality counters.

Mosaic and Tile Formats

Green Onyx 3D mosaic tiles for decorative wall cladding.

Hexagon mosaic format in Green Onyx.

Slab Cutting and Processing

Green Onyx slab cutting on CNC bridge saw for custom panel dimensions.

Why Choose Apexstone for Green Onyx?

Contact us for slab availability, current pricing, and project-specific customisation. Minimum order quantities and lead times vary by slab size and finish selection.

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