Before you try anything: always speak to a professional before cleaning, treating or applying any product to your stone. Every slab is different, and the wrong product can cause permanent damage. Contact us or a qualified stone restorer first.
Quick answer
Calacatta marble etches from lemon juice, wine, vinegar and many spray cleaners, and sealing does not stop it. The way to keep a Calacatta benchtop or island looking like the day it was installed is a clear anti-etch film: Gloss for polished Calacatta, Matte/Satin for honed. It also blocks coffee, oil and wine stains.
Key points
- Calacatta is a true marble, so it etches like any other.
- The bright white ground makes stains and etches easy to see.
- Bookmatched and waterfall slabs are nearly impossible to replace.
- Film goes on without cutting or removing the stone.
What makes Calacatta different
Calacatta (often searched as "Calcutta marble") comes from a small number of quarries high in the Apuan Alps above Carrara. Compared with Carrara it has a whiter, warmer background and far bolder veining, sometimes several centimetres wide, in grey, charcoal and gold. Named variations include Calacatta Oro, Calacatta Gold, Calacatta Borghini and the burgundy-veined Calacatta Viola.
Because good Calacatta blocks are scarce, slabs are priced accordingly and are usually chosen for the most visible surfaces: the kitchen island, a waterfall end, a statement vanity. Those are also the surfaces that see the most wine glasses, lemon wedges and hot coffee cups.
Why Calacatta shows damage more than most
A white stone hides nothing. Coffee rings, turmeric, red wine and cooking oil stand out against the ground, and on a polished slab an etch catches the light as a cloudy patch the moment the sun comes through the window. The dramatic veining that makes Calacatta beautiful also makes repairs harder, because a restorer has to blend any re-polished area into a surface that is anything but uniform.
Our Mosman clients chose Calacatta for their island knowing all of this. After six months of red wine, lemon juice and kids, they told us there was not a single mark. See the project.