01 Natural stone comparison
A side-by-side comparison of Calacatta Viola and Bubble Onyx — origin, colour, finishes, applications and best use cases — to help architects and designers choose the right natural stone for their project.
Calacatta Viola Marble is a statement stone with a creamy white background cut by bold burgundy, plum and charcoal veining. Available in polished, honed and leathered finishes, it is specified for feature walls, bathroom vanities, reception counters, bespoke tables, kitchen islands and focal surfaces where stone is intended to lead the design.
View Calacatta Viola ↗
Bubble Onyx is a translucent Turkish onyx defined by circular, orb-like mineral formations in ivory, cream, grey and beige. When backlit, the surface glows in honey, amber and gold. Available in polished and honed finishes, it is specified for backlit feature walls, luxury retail displays, hotel lobbies, stair details and bespoke furniture.
View Bubble Onyx ↗02 Specification comparison
| Property | Calacatta Viola | Bubble Onyx |
|---|---|---|
| Category | Marble | Onyx |
| Origin | Italy | Türkiye |
| Colour | White / Violet | White |
| Tone | White & violet | Bubble white |
| Available finishes | Polished, Honed, Leathered | Polished, Honed |
| Available forms | Slab, Tile, Cut-to-size | Slab, Tile, Cut-to-size |
| Bookmatch | Available | Available |
| Applications | Flooring, Wall cladding, Bathrooms, Countertops, Feature walls | Backlit walls, Bar fronts, Feature panels, Spa interiors |
03 Which stone to choose
The project calls for a white / violet marble from Italy with 3 finish options (polished, honed, leathered) and bookmatch availability. Its character suits flooring, wall cladding, bathrooms and pairs naturally with warm timber, metal and natural material palettes.
Explore Calacatta Viola ↗The project calls for a white onyx from Türkiye with 2 finish options (polished, honed) and bookmatch availability. Its character suits backlit walls, bar fronts, feature panels and pairs naturally with warm timber, metal and natural material palettes.
Explore Bubble Onyx ↗Both Calacatta Viola and Bubble Onyx are available as slabs, tiles and cut-to-size pieces from Terra Natural Stone. Request samples to compare the materials in person before specifying.
04 Frequently asked
Calacatta Viola is a white / violet marble from Italy with 3 finish options, while Bubble Onyx is a white onyx from Türkiye with 2 finish options. Calacatta Viola suits flooring and wall cladding; Bubble Onyx suits backlit walls and bar fronts.
Both can work for flooring. Calacatta Viola offers a white & violet character with polished, honed, leathered finishes. Bubble Onyx offers a bubble white character with polished, honed finishes. The choice depends on the project's colour palette, traffic expectations and whether a polished, honed or textured surface is preferred.
Calacatta Viola: bookmatch available. Bubble Onyx: bookmatch available. Bookmatching is most effective on feature walls and large surfaces where the mirrored vein pattern can be appreciated at scale.
Calacatta Viola is available in polished, honed, leathered. Bubble Onyx is available in polished, honed. Polishing intensifies colour and reflection; honing creates a softer matte surface; textured finishes add tactility and slip resistance.
Compare in person