Marble
AntiEtch®
Afghan Black Gold
Afghanistan
MarbleAntiEtch® Candidate
Royal Botticino
Italy (Brescia, Lombardy)
ASTM C503Food-Contact EligibleFrost ResistantAcid SensitiveSofter Surface
Royal Botticino
Photo coming soon
HardnessMedium(3–5 Mohs)
SoftHard
Acid SensitivityHigh Risk — Will Etch
SafeHigh Risk
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True Geology: Limestone
Royal Botticino is commercially sold as marble, but is geologically a limestone. This affects its actual physical and chemical properties.
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 NameLimestone (commercially marble)
OriginItaly (Brescia, Lombardy)
ASTM SpecificationASTM C503
ClassificationCalcareous — Consistent
Available FinishesPolished, Honed (Matte), Leathered, Brushed, Tumbled
AntiEtch® FinishesPolished, Honed (Matte) only
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True Geology: Limestone
Royal Botticino is commercially sold as marble, but it is geologically a limestone. This distinction matters because true geological classification determines the stone's actual physical and chemical properties — which affects how it performs, how it should be maintained, and how it reacts to acids and moisture.
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MORE® AntiEtch® Protection Available
Royal Botticino is a calcareous stone susceptible to acid etching. AntiEtch® provides permanent protection against lemon, vinegar, and other common acids.
Learn MoreFrom the same quarry family
More stones from the Botticino family
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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 — $139.97Premium Protection · MORE® AntiEtch®
Protect your Royal Botticino
Royal Botticino is a calcareous stone that etches from lemon juice, wine, and coffee. MORE® AntiEtch® stops it.
- Permanent acid-etch protection
- Invisible — keeps the natural finish
- Installed by certified pros
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