White Onyx Coffee Table
Color: White ground, banded ivory, cream and grey
Size: Round 600, 800, 1000, 1200 mm dia; rectangular and oval to drawing
Finished: Polished or honed
Application: Hotel lounges and lobby seating
Low MOQ: One unit
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Product Introduction
A white onyx coffee table is a span, not a slab, and that is the whole of the engineering problem: banded calcite is naturally fissured and only reaches Mohs 3 to 3.5, so a low top wide enough to serve a seating group has to hold its shape across an opening while somebody's feet, a tray and occasionally a person sit on it.
What the trade labels onyx is a banded calcite - the deposit left in caves and hot springs by mineral-rich water - listed in EN 12670 as a compact banded stone, and it is not the silica chalcedony a jeweller would call onyx. Acid marks the first and ignores the second, which is the distinction a buyer has to hold on to.
Products Description
| Parameter | Specification |
|---|---|
| Material and Trade Names | Banded calcite onyx (onyx marble); calcite with local aragonite, not silica chalcedony |
| Appearance and Banding | White ground, banded in ivory, cream and grey; the direction runs one way through the block and reads differently on the reverse |
| Translucency | Yes. Light passes through and the glow follows the banding, so the effect is directional rather than uniform |
| Quarry Origin | Turkey, Pakistan and other producing countries; origin stated on the proforma invoice |
| Standard Sizes | Round 600, 800, 1000, 1200 mm dia; rectangular and oval to drawing; nesting sets quoted as a pair |
| Top Thickness | 18 mm, 20 mm or 30 mm; a carried edge is laminated to read thicker without the weight |
| Edge Profile | Eased, bevelled, mitred, pencil or a carved organic edge where the base is sculpted |
| Base Options | Solid carved block, mitred stone box, stacked sculptural form, or a stone-clad steel frame |
| Surface Finish | Polished or honed; matte and brushed on request; honed hides minor etching better in daily use |
| Reinforcement | Resin impregnation and fiberglass mesh bonded to the block, retained through cutting and re-verified at profiled edges |
| Backlit Option | Yes. 12-15 mm for the usual glow, 18-20 mm reads dimmer, below 12 mm is laminated to glass or aluminium honeycomb |
| LED and Cavity | 3500-4000 K with a dimmer, because full output bleaches the banding; 40-60 mm air gap and a 50-70 mm cavity |
| Assembly | Top dowelled and epoxied to the base with a washer plate under the fixing; joints colour-matched at the works |
| Density | 2.6-2.7 g/cm³ (2,600-2,700 kg/m³) |
| Weight | About 52-54 kg/m² at 20 mm; a 1200 mm dia top in 20 mm is roughly 60-62 kg before the base |
| Water Absorption | 0.1-0.5% by weight, dense or resin-treated (ASTM C97); up to 1-2% untreated |
| Mohs Hardness | About 3-3.5 (calcite); for reference a fingernail reads 2.5 and a steel knife 5-6 |
| Acid Resistance and Sealing | Low: citrus, wine, vinegar and cola etch calcite. Penetrating sealer applied at fabrication, resealed every 12-18 months |
| Packing and Loading | Fumigated seaworthy timber frame, foam faced, steel banded, top and base crated together; furniture reaches cubic capacity long before the 27 t payload |
| Payment, Port, MOQ and Lead Time | T/T 30% deposit, 70% against copy of B/L, or L/C at sight; FOB Xiamen, China; MOQ one unit; 15-25 days |
Products Description
Quality Control & Inspection Standards
Load Path to Base
The span between base contact points is checked against the top thickness, because a 20 mm onyx top over a 1000 mm opening is carrying a tray, a foot and occasionally a person.
Carve Depth Check
Sculpted and scooped undersides are carved against the fissure map taken from the block, so the profile stops short of the seams that would open under a point load.
Banding Through the Carve
Banding direction is set across the top and carried down the carved base, so the bands run continuously from surface to plinth instead of turning at the shadow line.
Dry-Fit Before Finishing
Top and base are dry-assembled at the works before the final polish, so the joint is closed and the banding is confirmed to line up where the two pieces meet.
Products Description
Typical Project & Application Scenarios
Hotel Lounges and Lobby Seating
A lobby or lounge group takes a standardized round top, usually 800 or 1000 mm dia on a carved block base, repeated across a floor so the furniture reads as one family rather than as individual pieces. Spill exposure is the daily reality in these rooms, so the tops are sealed at fabrication with the penetrating sealer logged and a reseal interval written into the maintenance schedule rather than left to the operator.
Because the same lot supplies every unit, a top replaced after damage years later can still be drawn from the block group and matched. Hotel specification also asks for the backlit version in reception areas, where a 12 to 15 mm panel over a 3500 to 4000 K light box turns the top into the room's light source.
Residential Living Rooms and Villa Interiors
In a villa or a developer show apartment the coffee table is the piece that sets the material language for the room, which is why it is usually specified as a nesting pair with the side table from the same block group. The sculptural base is the reason a client picks onyx over marble: the form is carved rather than assembled, so the table reads as one mass, and the banding continues from the top down the carve instead of stopping at a joint.
Honed is the finish quoted where the room is lived in daily and polished where the table is a display piece, since a polished calcite face shows every watermark. The care routine is quoted with the table rather than after it, because blotting a wine spill in the first minute is the difference between a table that stays white and one that carries a dull ring.
FAQ
Frequently Asked Questions
How is the banding matched across a nesting set of white onyx tables?
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One block group supplies the pair, and the two tops are laid against each other at the works until the bands flow across the join. Piece numbers and photographs go into the crate. Order a spare from a different group later and the glow will not line up.
Will a white onyx coffee table etch or stain in daily use?
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Acid dulls calcite, and that is the whole exposure: wine, citrus, vinegar and soft drinks will mark the surface if left standing. Sealer buys time against staining but cannot stop the reaction. Wipe promptly, clean pH-neutral, reseal yearly. A honed face hides the marks.
How thick should a backlit white onyx table top be?
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Below 12 mm the panel stops carrying itself and has to be bonded to glass or aluminium honeycomb. Between 12 and 15 mm the banding reads brightest at a usable strength; 18 to 20 mm dims the effect considerably. Leave a 40-60 mm void for the light and wire it warm-white on a dimmer.
Can a 20 mm onyx top span a large coffee table opening without cracking?
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Yes, if the span is checked against the thickness and the underside is reinforced. Onyx arrives fissured, so we read each top on a light table before cutting and keep the fiberglass mesh intact through the profile. Wider openings get a third contact point or a steel spine in the base.
How are white onyx coffee tables packed, and how many fit in a 20 ft container?
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Top and base travel in one fumigated seaworthy timber crate, foam faced and steel banded, with the top crated face to face against the base. Furniture cubes out before it weighs out, so a 20 ft container is reached on volume rather than the 27 t payload. Allow about 2% for handling.
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