MarbleAntiEtch® Candidate

Emperador Dark

Spain (Almería)

ASTM C503Food-Contact EligibleFrost ResistantAcid SensitiveSofter Surface

Emperador Dark

Photo coming soon

HardnessMedium(3–5 Mohs)

SoftHard

Acid SensitivityHigh Risk — Will Etch

SafeHigh Risk

Verify Before You Buy

Slab Yard Diagnostic Protocol

Marble is a beautiful, premium stone — but it has well-known performance limits. The diagnostic kit confirms you're getting genuine marble (not mislabeled) and gives you a chance to see how the slab will react to the acids you'll encounter in real life.

From your Stone ID Kit

Glass tileHCl dropper bottle (5–10%)Magnifier

The full step-by-step protocol — including expected results and red flags — is included in your downloadable Buyer's Guide.

Stone TypeMarble

Geological NameMarble

OriginSpain (Almería)

ASTM SpecificationASTM C503

ClassificationCalcareous — Consistent

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

AntiEtch® FinishesPolished, Honed (Matte) only

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Acid-Sensitive Stone

As a calcareous stone, Emperador Dark will etch (develop dull spots) when exposed to acidic substances like lemon juice, vinegar, wine, tomato sauce, and many household cleaners. MORE AntiEtch® protection can permanently prevent acid etching on polished and honed finishes.

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MORE® AntiEtch® Protection Available

Emperador Dark 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®