MarbleAntiEtch® Candidate

Calacatta Gold

Italy (Apuan Alps — Carrara)

Calacatta Gold

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HardnessMedium(3–5 Mohs)

SoftHard

Acid SensitivityHigh Risk — Will Etch

SafeHigh Risk

Stone TypeMarble

Geological NameMarble

OriginItaly (Apuan Alps — Carrara)

ASTM SpecificationASTM C503

ClassificationCalcareous — Consistent

Available FinishesPolished, Honed (Matte), Leathered, Brushed, Tumbled

AntiEtch® FinishesPolished, Honed (Matte) only

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Seam Staining Precaution

Calacatta Gold can absorb oils from fabrication adhesives, potentially causing darkening along seams and edges. Ask your fabricator to seal all cut edges with an impregnating sealer before applying adhesive, and to use a non-staining epoxy rated for natural stone. This simple precaution prevents most seam-staining issues.

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Iron Oxidation Risk

Calacatta Gold may contain trace iron deposits within the stone. When exposed to moisture over time — especially in showers, around sinks, or exterior applications — these iron deposits can oxidize and cause rust-colored staining from within the stone. This is not a surface stain and cannot be cleaned with standard products. A professional stone restoration company can often treat iron stains with specialized poultices. Ask your fabricator to inspect the slab for visible iron deposits before installation.

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MORE® AntiEtch® Protection Available

Calacatta Gold is a calcareous stone susceptible to acid etching. AntiEtch® provides permanent protection against lemon, vinegar, and other common acids.

Learn More

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MB Stone I.D. Kit — Test Your Stone

Not sure what stone you have? This kit includes the tools professionals use to identify stone type, test acid sensitivity, check absorption, and determine the right care products.

Shop Stone I.D. Kit — $139.97

Premium Protection · MORE® AntiEtch®